South San Francisco, CA Hourly Weather

San Mateo County11:50 PM PDT37.65°N, 122.41°WElevation 13 ft
Coastal Flood Advisory until 5:00 PM Fri

Next 48 hours

11 PM Tue Oct 27 2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Wed Oct 28 2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Monday, October 261 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
11 PM Mostly Clear 57° 57° 0% 0.00 in WNW 16 G28 76% 50° 12% 0
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 56° 56° 0% 0.00 in WNW 16 G28 79% 50° 12% 0
1 AM Mostly Clear 56° 56° 0% 0.00 in WNW 14 G28 78% 49° 15% 0
2 AM Mostly Clear 56° 56° 0% 0.00 in WNW 13 G25 80% 49° 21% 0
3 AM Mostly Clear 55° 55° 0% 0.00 in WNW 12 G24 81% 49° 17% 0
4 AM Mostly Clear 54° 54° 0% 0.00 in WNW 10 G23 82% 49° 16% 0
5 AM Partly Cloudy 54° 54° 0% 0.00 in WNW 9 G22 84% 49° 32% 0
6 AM Mostly Sunny 54° 54° 0% 0.00 in WNW 9 G21 86% 50° 38% 0
7 AM Mostly Sunny 54° 54° 0% 0.00 in WNW 8 G18 87% 50° 43% 0
8 AM Mostly Sunny 54° 54° 0% 0.00 in WNW 9 G18 87% 50° 44% 0
9 AM Mostly Sunny 56° 56° 0% 0.00 in WNW 9 G16 83% 51° 46% 1
10 AM Mostly Sunny 58° 58° 0% 0.00 in WNW 10 G16 81% 52° 47% 2
11 AM Mostly Sunny 60° 60° 0% 0.00 in WNW 10 G16 77% 52° 46% 3
12 PM Mostly Sunny 61° 61° 0% 0.00 in WNW 12 75% 52° 35% 4
1 PM Mostly Sunny 61° 61° 0% 0.00 in WNW 12 G17 70% 52° 35% 4
2 PM Sunny 62° 62° 0% 0.00 in WNW 12 68% 51° 24% 3
3 PM Sunny 62° 62° 0% 0.00 in WNW 14 G20 70% 52° 13% 2
4 PM Sunny 62° 62° 0% 0.00 in WNW 16 G23 69% 52° 7% 1
5 PM Sunny 61° 61° 0% 0.00 in WNW 17 G25 68% 51° 10% 0
6 PM Mostly Clear 60° 60° 0% 0.00 in WNW 16 G24 74% 52° 10% 0
7 PM Mostly Clear 58° 58° 0% 0.00 in WNW 14 G23 77% 51° 10% 0
8 PM Mostly Clear 57° 57° 0% 0.00 in WNW 12 G18 78% 50° 14% 0
9 PM Mostly Clear 57° 57° 0% 0.00 in WNW 8 G15 78% 50° 14% 0
10 PM Mostly Clear 56° 56° 0% 0.00 in WNW 5 G10 80% 50° 14% 0
11 PM Mostly Clear 55° 55° 0% 0.00 in WNW 3 81% 49° 12% 0
Wednesday, October 2824 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 54° 54° 0% 0.00 in NW 2 84% 50° 12% 0
1 AM Mostly Clear 53° 53° 0% 0.00 in NNW 2 83% 48° 12% 0
2 AM Mostly Clear 52° 52° 0% 0.00 in N 1 86% 48° 24% 0
3 AM Mostly Clear 51° 51° 0% 0.00 in N 2 89% 48° 24% 0
4 AM Mostly Clear 51° 51° 0% 0.00 in NNE 2 92% 48° 24% 0
5 AM Mostly Clear 51° 51° 0% 0.00 in ENE 2 93% 49° 25% 0
6 AM Sunny 51° 51° 0% 0.00 in ENE 2 98% 50° 25% 0
7 AM Sunny 50° 50° 0% 0.00 in ENE 2 100% 50° 25% 0
8 AM Mostly Sunny 51° 51° 0% 0.00 in ENE 2 97% 50° 28% 0
9 AM Mostly Sunny 53° 53° 0% 0.00 in ENE 2 92% 51° 28% 1
10 AM Mostly Sunny 56° 56° 0% 0.00 in ENE 2 84% 51° 28% 2
11 AM Sunny 59° 59° 0% 0.00 in N 3 76% 51° 16% 3
12 PM Sunny 61° 61° 0% 0.00 in N 3 68% 51° 16% 4
1 PM Sunny 63° 63° 0% 0.00 in N 3 61% 49° 16% 4
2 PM Sunny 64° 64° 0% 0.00 in WNW 8 G14 56% 48° 16% 3
3 PM Sunny 64° 64° 0% 0.00 in WNW 8 G14 55% 48° 16% 2
4 PM Sunny 64° 64° 0% 0.00 in WNW 8 G14 56% 48° 16% 1
5 PM Sunny 63° 63° 0% 0.00 in W 10 G16 60% 48° 18% 0
6 PM Mostly Clear 61° 61° 0% 0.00 in W 10 G16 64% 49° 18% 0
7 PM Mostly Clear 59° 59° 0% 0.00 in W 10 G16 70% 49° 18% 0
8 PM Partly Cloudy 57° 57° 0% 0.00 in WNW 6 G12 75% 49° 30% 0
9 PM Partly Cloudy 56° 56° 0% 0.00 in WNW 6 G12 78% 49° 30% 0
10 PM Partly Cloudy 55° 55° 0% 0.00 in WNW 6 G12 80% 49° 30% 0
11 PM Partly Cloudy 55° 55° 0% 0.00 in W 2 81% 49° 35% 0
Thursday, October 2924 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 54° 55° 0% 0.00 in W 2 82% 49° 35% 0
1 AM Partly Cloudy 54° 54° 0% 0.00 in W 2 83% 49° 35% 0
2 AM Partly Cloudy 54° 54° 0% 0.00 in S 2 84% 49° 40% 0
3 AM Partly Cloudy 53° 53° 0% 0.00 in S 2 85% 49° 40% 0
4 AM Partly Cloudy 53° 53° 0% 0.00 in S 2 86% 49° 40% 0
5 AM Mostly Cloudy 52° 53° 0% 0.00 in SE 2 87% 49° 55% 0
6 AM Partly Sunny 52° 52° 0% 0.00 in SE 2 89% 49° 55% 0
7 AM Partly Sunny 52° 52° 0% 0.00 in SE 2 92% 49° 55% 0
8 AM Partly Sunny 52° 53° 0% 0.00 in E 2 92% 50° 54% 0
9 AM Partly Sunny 55° 55° 0% 0.00 in E 2 88% 51° 54% 1
10 AM Partly Sunny 58° 58° 0% 0.00 in E 2 82% 52° 54% 2
11 AM Partly Sunny 60° 60° 0% 0.00 in E 3 76% 53° 62% 3
12 PM Partly Sunny 62° 62° 0% 0.00 in E 3 70% 52° 62% –
1 PM Partly Sunny 63° 63° 0% 0.00 in E 3 66% 51° 62% –
2 PM Partly Sunny 63° 63° 0% 0.00 in W 3 63% 50° 62% –
3 PM Partly Sunny 63° 63° 0% 0.00 in W 3 62% 50° 62% –
4 PM Partly Sunny 62° 62° 0% 0.00 in W 3 62% 49° 62% –
5 PM Partly Sunny 60° 60° 0% 0.00 in W 10 65% 48° 61% –
6 PM Mostly Cloudy 59° 59° 0% 0.00 in W 10 67% 48° 61% –
7 PM Mostly Cloudy 58° 58° 0% 0.00 in W 10 69% 48° 61% –
8 PM Mostly Cloudy 58° 58° 0% 0.00 in W 7 G13 71% 48° 61% –
9 PM Mostly Cloudy 57° 57° 0% 0.00 in W 7 G13 72% 48° 61% –
10 PM Mostly Cloudy 56° 56° 0% 0.00 in W 7 G13 73% 48° 61% –
11 PM Partly Cloudy 56° 56° 0% 0.00 in W 7 G14 74% 48° 50% –
Friday, October 3024 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 56° 56° 0% 0.00 in W 7 G14 75% 48° 50% –
1 AM Partly Cloudy 56° 56° 0% 0.00 in W 7 G14 75% 48° 50% –
2 AM Partly Cloudy 56° 56° 0% 0.00 in WNW 7 G15 76% 48° 50% –
3 AM Partly Cloudy 55° 55° 0% 0.00 in WNW 7 G15 76% 48° 50% –
4 AM Partly Cloudy 55° 55° 0% 0.00 in WNW 7 G15 77% 48° 50% –
5 AM Partly Cloudy 54° 55° 1% 0.00 in WNW 7 G16 77% 48° 45% –
6 AM Mostly Sunny 54° 54° 1% 0.00 in WNW 7 G16 80% 48° 45% –
7 AM Mostly Sunny 53° 53° 1% 0.00 in WNW 7 G16 82% 48° 45% –
8 AM Mostly Sunny 54° 54° 1% 0.00 in WNW 7 G14 83% 49° 45% –
9 AM Mostly Sunny 55° 55° 1% 0.00 in WNW 7 G14 82% 49° 45% –
10 AM Mostly Sunny 56° 56° 1% 0.00 in WNW 7 G14 78% 50° 45% –
11 AM Mostly Sunny 58° 58° 1% 0.00 in WNW 9 G15 75% 50° 29% –
12 PM Mostly Sunny 58° 58° 1% 0.00 in WNW 9 G15 73% 50° 29% –
1 PM Mostly Sunny 58° 59° 1% 0.00 in WNW 9 G15 72% 49° 29% –
2 PM Mostly Sunny 58° 59° 1% 0.00 in WNW 14 G21 70% 49° 29% –
3 PM Mostly Sunny 58° 58° 1% 0.00 in WNW 14 G21 68% 48° 29% –
4 PM Mostly Sunny 58° 58° 1% 0.00 in WNW 14 G21 67% 47° 29% –
5 PM Mostly Sunny 57° 57° 1% 0.00 in WNW 16 G23 66% 46° 27% –
6 PM Partly Cloudy 56° 56° 1% 0.00 in WNW 16 G23 67% 45° 27% –
7 PM Partly Cloudy 56° 56° 1% 0.00 in WNW 16 G23 68% 45° 27% –
8 PM Partly Cloudy 55° 55° 1% 0.00 in WNW 15 G24 69% 45° 27% –
9 PM Partly Cloudy 55° 55° 1% 0.00 in WNW 15 G24 69% 45° 27% –
10 PM Partly Cloudy 55° 55° 1% 0.00 in WNW 15 G24 68% 45° 27% –
11 PM Partly Cloudy 55° 55° 4% 0.00 in WNW 14 G23 68% 45° 44% –
Saturday, October 3124 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 55° 55° 4% 0.00 in WNW 14 G23 69% 45° 44% –
1 AM Partly Cloudy 54° 54° 4% 0.00 in WNW 14 G23 71% 45° 44% –
2 AM Partly Cloudy 54° 54° 4% 0.00 in WNW 8 G16 73% 46° 44% –
3 AM Partly Cloudy 54° 54° 4% 0.00 in WNW 8 G16 74% 46° 44% –
4 AM Partly Cloudy 53° 53° 4% 0.00 in WNW 8 G16 76% 46° 44% –
5 AM Slight Chance Light Rain 53° 53° 17% 0.00 in WNW 5 G14 77% 46° 50% –
6 AM Slight Chance Light Rain 53° 53° 17% 0.00 in WNW 5 G14 79% 46° 50% –
7 AM Slight Chance Light Rain 53° 53° 17% 0.00 in WNW 5 G14 81% 47° 50% –
8 AM Slight Chance Light Rain 53° 53° 17% 0.00 in NW 5 G10 82% 48° 50% –
9 AM Slight Chance Light Rain 54° 54° 17% 0.00 in NW 5 G10 81% 48° 50% –
10 AM Slight Chance Light Rain 56° 56° 17% 0.00 in NW 5 G10 78% 49° 50% –
11 AM Slight Chance Light Rain 57° 57° 19% 0.00 in NW 8 75% 49° 51% –
12 PM Slight Chance Light Rain 58° 58° 19% 0.00 in NW 8 72% 49° 51% –
1 PM Slight Chance Light Rain 59° 59° 19% 0.00 in NW 8 68% 48° 51% –
2 PM Slight Chance Light Rain 59° 59° 19% 0.00 in WNW 9 66% 48° 51% –
3 PM Slight Chance Light Rain 59° 59° 19% 0.00 in WNW 9 64% 47° 51% –
4 PM Slight Chance Light Rain 58° 58° 19% 0.00 in WNW 9 64% 46° 51% –
5 PM Slight Chance Light Rain 58° 58° 22% 0.00 in WNW 15 G21 64% 45° 43% –
6 PM Slight Chance Light Rain 57° 57° 22% 0.00 in WNW 15 G21 65% 45° 43% –
7 PM Slight Chance Light Rain 56° 56° 22% 0.00 in WNW 15 G21 67% 45° 43% –
8 PM Slight Chance Light Rain 55° 55° 22% 0.00 in WNW 14 G21 69% 45° 43% –
9 PM Slight Chance Light Rain 55° 55° 22% 0.00 in WNW 14 G21 69% 45° 43% –
10 PM Slight Chance Light Rain 55° 55° 22% 0.00 in WNW 14 G21 68% 45° 43% –
11 PM Chance Light Rain 55° 55° 27% 0.00 in NW 10 G16 68% 45° 51% –
Sunday, November 125 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Chance Light Rain 55° 55° 27% 0.00 in NW 10 G16 70% 45° 51% –
1 AM Chance Light Rain 54° 54° 27% 0.00 in NW 10 G16 72% 45° 51% –
1 AM Chance Light Rain 54° 54° 27% 0.00 in N 6 G12 74% 46° 51% –
2 AM Chance Light Rain 53° 53° 27% 0.00 in N 6 G12 75% 46° 51% –
3 AM Chance Light Rain 53° 53° 27% 0.00 in N 6 G12 76% 45° 51% –
4 AM Partly Cloudy 52° 53° 9% 0.00 in N 5 77% 45° 27% –
5 AM Partly Cloudy 52° 52° 9% 0.00 in N 5 79% 46° 27% –
6 AM Mostly Sunny 51° 51° 9% 0.00 in N 5 82% 46° 27% –
7 AM Mostly Sunny 52° 52° 9% 0.00 in NNE 5 83% 46° 27% –
8 AM Mostly Sunny 53° 53° 9% 0.00 in NNE 5 80% 47° 27% –
9 AM Mostly Sunny 55° 55° 9% 0.00 in NNE 5 75% 47° 27% –
10 AM Sunny 57° 57° 5% 0.00 in NNE 7 70% 47° 15% –
11 AM Sunny 58° 59° 5% 0.00 in NNE 7 66% 47° 15% –
12 PM Sunny 60° 60° 5% 0.00 in NNE 7 62% 47° 15% –
1 PM Sunny 60° 60° 5% 0.00 in NW 9 59% 46° 15% –
2 PM Sunny 61° 61° 5% 0.00 in NW 9 58% 46° 15% –
3 PM Sunny 61° 61° 5% 0.00 in NW 9 58% 46° 15% –
4 PM Sunny 60° 60° 5% 0.00 in WNW 16 59% 46° 15% –
5 PM Sunny 59° 59° 5% 0.00 in WNW 16 61% 46° 15% –
6 PM Mostly Clear 58° 58° 5% 0.00 in WNW 16 65% 46° 15% –
7 PM Mostly Clear 56° 57° 5% 0.00 in NW 10 G16 68% 46° 15% –
8 PM Mostly Clear 56° 56° 5% 0.00 in NW 10 G16 70% 46° 15% –
9 PM Mostly Clear 56° 56° 5% 0.00 in NW 10 G16 71% 46° 15% –
10 PM Mostly Clear 55° 55° 4% 0.00 in NW 6 72% 46° 20% –
11 PM Mostly Clear 55° 55° 4% 0.00 in NW 6 74% 47° 20% –
Monday, November 29 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 55° 55° 4% 0.00 in NW 6 75% 47° 20% –
1 AM Mostly Clear 54° 54° 4% 0.00 in NNW 2 77% 47° 20% –
2 AM Mostly Clear 54° 54° 4% 0.00 in NNW 2 78% 47° 20% –
3 AM Mostly Clear 54° 54° 4% 0.00 in NNW 2 78% 47° 20% –
4 AM Partly Cloudy 53° 53° 4% 0.00 in NNE 3 79% 47° 26% –
5 AM Partly Cloudy 53° 53° 4% 0.00 in NNE 3 81% 47° 26% –
6 AM Mostly Sunny 53° 53° 4% 0.00 in NNE 3 82% 47° 26% –
7 AM Mostly Sunny 53° 53° 4% 0.00 in ENE 5 82% 48° 26% –
8 AM Mostly Sunny 55° 55° 4% 0.00 in ENE 5 78% 48° 26% –

National Weather Service forecast updated 2 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use. How to use Weather