Rancho Cucamonga, CA 91739 Hourly Weather

San Bernardino County2:13 PM PDT34.17°N, 117.52°W
Special Weather Statement until 2:45 PM Thu

Next 48 hours

2 PM 5 PM 8 PM 11 PM Fri Oct 23 2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Sat Oct 24 2 AM 5 AM 8 AM 11 AM 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Thursday, October 2210 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
2 PM Showers And Thunderstorms Likely 56° 56° 70% 0.02 in SW 15 G22 99% 56° 91% 4
3 PM Showers And Thunderstorms Likely 56° 56° 70% 0.02 in W 15 G22 100% 56° 91% 3
4 PM Showers And Thunderstorms Likely 56° 56° 70% 0.02 in W 15 G26 98% 55° 91% 1
5 PM Chance Rain Showers 55° 55° 28% <0.01 in SW 10 G20 100% 55° 67% 0
6 PM Chance Rain Showers 55° 55° 28% <0.01 in W 15 G21 100% 55° 67% 0
7 PM Chance Rain Showers 53° 53° 28% <0.01 in W 10 G18 100% 53° 67% 0
8 PM Chance Rain Showers 53° 53° 28% <0.01 in SW 10 98% 52° 67% 0
9 PM Chance Rain Showers 52° 52° 28% <0.01 in SW 5 99% 52° 67% 0
10 PM Chance Rain Showers 52° 53° 28% <0.01 in Calm 96% 51° 67% 0
11 PM Chance Rain Showers 53° 53° 27% <0.01 in Calm 94% 51° 64% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Chance Rain Showers 52° 52° 27% <0.01 in Calm 99% 52° 64% 0
1 AM Chance Rain Showers 53° 53° 27% <0.01 in Calm 95% 51° 64% 0
2 AM Chance Rain Showers 53° 53° 27% <0.01 in E 5 G10 96% 52° 80% 0
3 AM Chance Rain Showers 52° 52° 27% <0.01 in E 5 100% 52° 80% 0
4 AM Chance Rain Showers 52° 52° 27% <0.01 in E 5 99% 52° 80% 0
5 AM Mostly Cloudy 52° 52° 11% 0.00 in E 5 100% 52° 74% 0
6 AM Mostly Cloudy 51° 51° 11% 0.00 in NE 5 G10 100% 51° 74% 0
7 AM Mostly Cloudy 52° 52° 11% 0.00 in E 5 99% 51° 74% 0
8 AM Partly Sunny 52° 52° 11% 0.00 in E 5 100% 52° 62% 0
9 AM Partly Sunny 53° 53° 11% 0.00 in Calm 100% 53° 62% 1
10 AM Partly Sunny 54° 54° 11% 0.00 in SE 5 100% 54° 62% 3
11 AM Mostly Sunny 55° 55° 14% 0.00 in SE 5 100% 55° 50% 5
12 PM Mostly Sunny 56° 57° 14% 0.00 in S 5 100% 56° 50% 6
1 PM Mostly Sunny 57° 57° 14% 0.00 in S 5 100% 57° 50% 6
2 PM Mostly Sunny 57° 57° 14% 0.00 in S 5 99% 57° 38% 4
3 PM Mostly Sunny 58° 58° 14% 0.00 in Calm 95% 57° 38% 3
4 PM Mostly Sunny 58° 58° 14% 0.00 in Calm 94% 56° 38% 1
5 PM Sunny 58° 58° 5% 0.00 in Calm 95% 57° 20% 0
6 PM Mostly Clear 58° 58° 5% 0.00 in Calm 98% 57° 20% 0
7 PM Mostly Clear 56° 56° 5% 0.00 in Calm 95% 55° 20% 0
8 PM Mostly Clear 54° 54° 5% 0.00 in N 5 90% 51° 20% 0
9 PM Mostly Clear 54° 54° 5% 0.00 in N 5 G13 86% 50° 20% 0
10 PM Mostly Clear 54° 54° 5% 0.00 in N 10 G17 84% 49° 20% 0
11 PM Clear 54° 54° 0% 0.00 in N 10 G20 82% 49° 5% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 54° 54° 0% 0.00 in N 10 G18 82% 48° 5% 0
1 AM Clear 53° 53° 0% 0.00 in N 10 83% 48° 5% 0
2 AM Clear 53° 53° 0% 0.00 in N 5 G12 84% 48° 5% 0
3 AM Clear 53° 53° 0% 0.00 in N 5 G12 83% 48° 5% 0
4 AM Clear 53° 53° 0% 0.00 in N 5 G13 82% 48° 5% 0
5 AM Mostly Clear 54° 54° 0% 0.00 in N 10 81% 48° 6% 0
6 AM Sunny 54° 54° 0% 0.00 in N 10 G17 80% 48° 6% 0
7 AM Sunny 55° 55° 0% 0.00 in N 10 G20 78% 48° 6% 0
8 AM Sunny 56° 56° 0% 0.00 in N 10 G20 74% 48° 6% 0
9 AM Sunny 58° 59° 0% 0.00 in N 10 G18 69% 48° 6% 1
10 AM Sunny 61° 61° 0% 0.00 in N 10 G16 63% 48° 6% 3
11 AM Sunny 64° 64° 0% 0.00 in N 5 G13 58% 49° 3% 5
12 PM Sunny 66° 66° 0% 0.00 in N 5 G13 54% 48° 3% 6
1 PM Sunny 67° 67° 0% 0.00 in N 5 G12 51% 48° 3% 6
2 PM Sunny 68° 68° 0% 0.00 in N 5 G10 49% 48° 3% 5
3 PM Sunny 67° 67° 0% 0.00 in N 5 51% 48° 3% 3
4 PM Sunny 67° 67° 0% 0.00 in N 5 52% 49° 3% 1
5 PM Sunny 67° 67° 0% 0.00 in Calm 51% 49° 1% 0
6 PM Clear 65° 65° 0% 0.00 in Calm 53% 48° 1% 0
7 PM Clear 62° 62° 0% 0.00 in Calm 55% 46° 1% 0
8 PM Clear 60° 60° 0% 0.00 in Calm 57% 44° 1% 0
9 PM Clear 59° 59° 0% 0.00 in Calm 57% 44° 1% 0
10 PM Clear 58° 58° 0% 0.00 in N 5 57% 43° 1% 0
11 PM Clear 58° 58° 0% 0.00 in N 5 G10 57% 43° 2% 0
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 58° 58° 0% 0.00 in N 5 G10 58% 43° 2% 0
1 AM Clear 57° 57° 0% 0.00 in N 5 G10 59% 43° 2% 0
2 AM Clear 56° 57° 0% 0.00 in N 5 60% 43° 2% 0
3 AM Clear 56° 56° 0% 0.00 in N 5 60% 43° 2% 0
4 AM Clear 56° 56° 0% 0.00 in N 5 G10 60% 42° 2% 0
5 AM Mostly Clear 56° 56° 0% 0.00 in N 5 G13 59% 42° 8% 0
6 AM Sunny 56° 56° 0% 0.00 in N 5 G13 59% 42° 8% –
7 AM Sunny 57° 57° 0% 0.00 in N 5 G13 58% 42° 8% –
8 AM Sunny 59° 59° 0% 0.00 in N 5 G14 56% 43° 8% –
9 AM Sunny 62° 62° 0% 0.00 in N 5 G14 53% 44° 8% –
10 AM Sunny 65° 65° 0% 0.00 in N 5 G14 50% 46° 8% –
11 AM Sunny 67° 67° 0% 0.00 in Calm 47% 47° 9% –
12 PM Sunny 69° 69° 0% 0.00 in Calm 45% 47° 9% –
1 PM Sunny 70° 70° 0% 0.00 in Calm 44% 47° 9% –
2 PM Sunny 71° 71° 0% 0.00 in SW 5 44% 48° 9% –
3 PM Sunny 71° 71° 0% 0.00 in SW 5 44% 48° 9% –
4 PM Sunny 70° 70° 0% 0.00 in SW 5 45% 48° 9% –
5 PM Sunny 69° 69° 0% 0.00 in Calm 46% 47° 11% –
6 PM Mostly Clear 66° 66° 0% 0.00 in Calm 48% 46° 11% –
7 PM Mostly Clear 63° 63° 0% 0.00 in Calm 50% 44° 11% –
8 PM Mostly Clear 61° 61° 0% 0.00 in Calm 52% 43° 11% –
9 PM Mostly Clear 60° 60° 0% 0.00 in Calm 52% 42° 11% –
10 PM Mostly Clear 60° 60° 0% 0.00 in Calm 52% 42° 11% –
11 PM Mostly Clear 60° 60° 0% 0.00 in N 5 G13 52% 42° 17% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 59° 59° 0% 0.00 in N 5 G13 53% 42° 17% –
1 AM Mostly Clear 58° 59° 0% 0.00 in N 5 G13 54% 42° 17% –
2 AM Mostly Clear 58° 58° 0% 0.00 in N 5 55% 42° 17% –
3 AM Mostly Clear 58° 58° 0% 0.00 in N 5 55% 42° 17% –
4 AM Mostly Clear 58° 58° 0% 0.00 in N 5 54% 41° 17% –
5 AM Mostly Clear 58° 58° 0% 0.00 in N 5 G10 54% 41° 17% –
6 AM Sunny 58° 58° 0% 0.00 in N 5 G10 54% 41° 17% –
7 AM Sunny 58° 58° 0% 0.00 in N 5 G10 54% 42° 17% –
8 AM Sunny 59° 59° 0% 0.00 in N 5 G13 53% 42° 17% –
9 AM Sunny 62° 62° 0% 0.00 in N 5 G13 50% 43° 17% –
10 AM Sunny 65° 65° 0% 0.00 in N 5 G13 47% 44° 17% –
11 AM Sunny 67° 67° 0% 0.00 in Calm 43% 44° 5% –
12 PM Sunny 69° 69° 0% 0.00 in Calm 41% 44° 5% –
1 PM Sunny 70° 71° 0% 0.00 in Calm 39% 44° 5% –
2 PM Sunny 71° 71° 0% 0.00 in S 5 38% 44° 5% –
3 PM Sunny 71° 71° 0% 0.00 in S 5 38% 44° 5% –
4 PM Sunny 71° 71° 0% 0.00 in S 5 39% 45° 5% –
5 PM Sunny 70° 70° 0% 0.00 in Calm 41% 45° 8% –
6 PM Mostly Clear 67° 67° 0% 0.00 in Calm 44% 44° 8% –
7 PM Mostly Clear 64° 64° 0% 0.00 in Calm 46% 43° 8% –
8 PM Mostly Clear 61° 61° 0% 0.00 in Calm 48% 42° 8% –
9 PM Mostly Clear 60° 60° 0% 0.00 in Calm 49% 41° 8% –
10 PM Mostly Clear 60° 60° 0% 0.00 in Calm 49% 41° 8% –
11 PM Mostly Clear 60° 60° 0% 0.00 in N 5 G10 50% 41° 13% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 59° 59° 0% 0.00 in N 5 G10 51% 41° 13% –
1 AM Mostly Clear 58° 59° 0% 0.00 in N 5 G10 52% 41° 13% –
2 AM Mostly Clear 58° 58° 0% 0.00 in Calm 53% 41° 13% –
3 AM Mostly Clear 58° 58° 0% 0.00 in Calm 53% 41° 13% –
4 AM Mostly Clear 58° 58° 0% 0.00 in Calm 53% 40° 13% –
5 AM Mostly Clear 58° 58° 0% 0.00 in N 5 52% 40° 20% –
6 AM Sunny 58° 58° 0% 0.00 in N 5 52% 41° 20% –
7 AM Sunny 59° 59° 0% 0.00 in N 5 52% 41° 20% –
8 AM Sunny 60° 60° 0% 0.00 in Calm 52% 42° 20% –
9 AM Sunny 62° 62° 0% 0.00 in Calm 49% 43° 20% –
10 AM Sunny 65° 65° 0% 0.00 in Calm 46% 44° 20% –
11 AM Sunny 67° 67° 0% 0.00 in Calm 44% 44° 18% –
12 PM Sunny 69° 69° 0% 0.00 in Calm 42% 44° 18% –
1 PM Sunny 70° 70° 0% 0.00 in Calm 40% 44° 18% –
2 PM Sunny 70° 70° 0% 0.00 in Calm 39% 44° 18% –
3 PM Sunny 70° 70° 0% 0.00 in Calm 40% 45° 18% –
4 PM Sunny 70° 70° 0% 0.00 in Calm 42% 46° 18% –
5 PM Sunny 68° 69° 0% 0.00 in Calm 44% 46° 24% –
6 PM Mostly Clear 66° 66° 0% 0.00 in Calm 46% 45° 24% –
7 PM Mostly Clear 64° 64° 0% 0.00 in Calm 49% 44° 24% –
8 PM Mostly Clear 62° 62° 0% 0.00 in Calm 51% 43° 24% –
9 PM Mostly Clear 60° 61° 0% 0.00 in Calm 51% 42° 24% –
10 PM Mostly Clear 60° 60° 0% 0.00 in Calm 51% 42° 24% –
11 PM Mostly Clear 60° 60° 0% 0.00 in Calm 51% 42° 23% –
Wednesday, October 2823 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 59° 59° 0% 0.00 in Calm 52% 42° 23% –
1 AM Mostly Clear 59° 59° 0% 0.00 in Calm 53% 42° 23% –
2 AM Mostly Clear 58° 59° 0% 0.00 in Calm 54% 42° 23% –
3 AM Mostly Clear 58° 58° 0% 0.00 in Calm 53% 41° 23% –
4 AM Mostly Clear 58° 58° 0% 0.00 in Calm 52% 41° 23% –
5 AM Partly Cloudy 59° 59° 0% 0.00 in Calm 51% 41° 42% –
6 AM Mostly Sunny 59° 59° 0% 0.00 in Calm 51% 41° 42% –
7 AM Mostly Sunny 60° 60° 0% 0.00 in Calm 51% 42° 42% –
8 AM Mostly Sunny 61° 61° 0% 0.00 in Calm 51% 42° 42% –
9 AM Mostly Sunny 63° 63° 0% 0.00 in Calm 49% 43° 42% –
10 AM Mostly Sunny 65° 65° 0% 0.00 in Calm 46% 44° 42% –
11 AM Mostly Sunny 67° 67° 0% 0.00 in Calm 44% 45° 37% –
12 PM Mostly Sunny 69° 69° 0% 0.00 in Calm 42% 45° 37% –
1 PM Mostly Sunny 71° 71° 0% 0.00 in Calm 40% 45° 37% –
2 PM Mostly Sunny 71° 71° 0% 0.00 in Calm 39% 45° 37% –
3 PM Mostly Sunny 71° 71° 0% 0.00 in Calm 40% 46° 37% –
4 PM Mostly Sunny 70° 70° 0% 0.00 in Calm 43% 47° 37% –
5 PM Mostly Sunny 69° 69° 1% 0.00 in Calm 47% 47° 33% –
6 PM Partly Cloudy 66° 66° 1% 0.00 in Calm 50% 47° 33% –
7 PM Partly Cloudy 64° 64° 1% 0.00 in Calm 54% 46° 33% –
8 PM Partly Cloudy 61° 61° 1% 0.00 in Calm 56% 46° 33% –
9 PM Partly Cloudy 60° 60° 1% 0.00 in Calm 58% 45° 33% –
10 PM Partly Cloudy 60° 60° 1% 0.00 in Calm 58% 45° 33% –

National Weather Service forecast updated 12 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.