Algonquin, IL Hourly Weather

McHenry County12:50 AM CDT42.17°N, 88.29°WElevation 741 ft

Next 48 hours

12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Thu Oct 22 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM 40° 45° 50° 55° 60° 65° 70° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 2124 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 45° 45° 0% 0.00 in Calm 98% 45° 23% 0
1 AM Partly Cloudy 45° 45° 0% 0.00 in Calm 98% 44° 30% 0
2 AM Partly Cloudy 44° 44° 0% 0.00 in Calm 99% 44° 35% 0
3 AM Patchy Fog 43° 43° 0% 0.00 in Calm 100% 43° 41% 0
4 AM Patchy Fog 42° 43° 0% 0.00 in Calm 100% 42° 35% 0
5 AM Patchy Fog 42° 42° 0% 0.00 in Calm 100% 42° 34% 0
6 AM Patchy Fog 41° 41° 0% 0.00 in Calm 100% 41° 38% 0
7 AM Patchy Fog 41° 41° 0% 0.00 in Calm 100% 41° 37% 0
8 AM Mostly Sunny 43° 43° 0% 0.00 in Calm 93% 41° 32% 0
9 AM Mostly Sunny 50° 50° 0% 0.00 in Calm 80% 44° 29% 1
10 AM Sunny 56° 56° 1% 0.00 in Calm 70% 46° 21% 2
11 AM Sunny 61° 61° 1% 0.00 in Calm 60% 47° 16% 3
12 PM Sunny 65° 65° 1% 0.00 in Calm 53% 48° 11% 4
1 PM Sunny 68° 68° 1% 0.00 in WSW 5 47% 47° 5% 4
2 PM Sunny 70° 70° 1% 0.00 in WSW 5 43% 46° 4% 3
3 PM Sunny 70° 70° 1% 0.00 in WSW 5 42% 46° 2% 2
4 PM Sunny 70° 71° 1% 0.00 in WSW 5 41% 46° 3% 1
5 PM Sunny 68° 68° 2% 0.00 in Calm 47% 47° 3% 0
6 PM Clear 64° 64° 2% 0.00 in Calm 53% 47° 4% 0
7 PM Mostly Clear 60° 60° 0% 0.00 in Calm 62% 47° 8% 0
8 PM Mostly Clear 57° 57° 0% 0.00 in Calm 67% 46° 6% 0
9 PM Mostly Clear 55° 55° 0% 0.00 in Calm 73% 47° 10% 0
10 PM Mostly Clear 54° 54° 0% 0.00 in Calm 78% 47° 18% 0
11 PM Mostly Clear 53° 53° 0% 0.00 in Calm 82% 47° 19% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 52° 52° 0% 0.00 in Calm 85% 47° 20% 0
1 AM Mostly Clear 51° 51° 0% 0.00 in Calm 87% 47° 21% 0
2 AM Mostly Clear 50° 50° 0% 0.00 in Calm 89% 47° 12% 0
3 AM Mostly Clear 49° 49° 0% 0.00 in Calm 90% 46° 17% 0
4 AM Mostly Clear 48° 48° 0% 0.00 in Calm 92% 46° 18% 0
5 AM Mostly Clear 48° 48° 0% 0.00 in Calm 93% 46° 20% 0
6 AM Sunny 48° 48° 0% 0.00 in Calm 97% 47° 25% 0
7 AM Mostly Sunny 48° 48° 0% 0.00 in Calm 100% 48° 26% 0
8 AM Mostly Sunny 50° 50° 0% 0.00 in Calm 98% 49° 37% 0
9 AM Mostly Sunny 54° 54° 0% 0.00 in Calm 92% 52° 49% 1
10 AM Sunny 60° 60° 0% 0.00 in Calm 82% 55° 19% 2
11 AM Sunny 64° 64° 0% 0.00 in Calm 73% 55° 15% 3
12 PM Sunny 67° 67° 0% 0.00 in Calm 67% 55° 12% 3
1 PM Sunny 69° 69° 0% 0.00 in Calm 61% 55° 9% 3
2 PM Sunny 70° 70° 0% 0.00 in Calm 57% 54° 10% 3
3 PM Sunny 70° 70° 0% 0.00 in Calm 55% 54° 11% 2
4 PM Sunny 69° 69° 0% 0.00 in Calm 57% 53° 13% 1
5 PM Sunny 66° 66° 0% 0.00 in E 5 64% 54° 14% 0
6 PM Mostly Clear 62° 62° 0% 0.00 in E 5 74% 54° 15% 0
7 PM Mostly Clear 58° 58° 0% 0.00 in E 5 86% 54° 17% 0
8 PM Mostly Clear 55° 55° 0% 0.00 in E 5 94% 54° 17% 0
9 PM Mostly Clear 54° 54° 0% 0.00 in E 5 98% 53° 16% 0
10 PM Mostly Clear 52° 53° 0% 0.00 in Calm 99% 52° 16% 0
11 PM Mostly Clear 52° 52° 0% 0.00 in Calm 99% 51° 16% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 51° 51° 0% 0.00 in Calm 99% 51° 15% 0
1 AM Mostly Clear 51° 51° 0% 0.00 in Calm 99% 50° 15% 0
2 AM Mostly Clear 50° 51° 0% 0.00 in Calm 98% 50° 16% 0
3 AM Mostly Clear 50° 50° 0% 0.00 in Calm 97% 50° 16% 0
4 AM Mostly Clear 50° 50° 0% 0.00 in Calm 99% 50° 17% 0
5 AM Mostly Clear 49° 49° 0% 0.00 in Calm 99% 49° 18% 0
6 AM Sunny 48° 48° 0% 0.00 in Calm 100% 48° 19% 0
7 AM Sunny 49° 49° 0% 0.00 in Calm 99% 49° 20% 0
8 AM Sunny 51° 51° 0% 0.00 in Calm 98% 50° 21% 0
9 AM Sunny 54° 54° 0% 0.00 in SSE 5 94% 53° 22% 1
10 AM Sunny 58° 58° 0% 0.00 in SSE 5 88% 54° 23% 2
11 AM Sunny 61° 61° 0% 0.00 in SSE 5 79% 55° 22% 3
12 PM Sunny 64° 64° 0% 0.00 in S 5 G10 70% 54° 21% 3
1 PM Sunny 66° 66° 0% 0.00 in S 5 G12 63% 54° 21% 3
2 PM Sunny 68° 68° 0% 0.00 in S 5 G12 59% 53° 19% –
3 PM Sunny 68° 69° 0% 0.00 in SSE 5 G12 57% 52° 18% –
4 PM Sunny 67° 67° 0% 0.00 in SSE 5 G12 58% 52° 16% –
5 PM Sunny 64° 65° 0% 0.00 in SSE 5 G12 65% 52° 21% –
6 PM Partly Cloudy 61° 61° 0% 0.00 in SE 5 G10 75% 53° 27% –
7 PM Partly Cloudy 58° 58° 0% – SE 5 84% 53° 33% –
8 PM Partly Cloudy 57° 57° 0% – SE 5 86% 53° 33% –
9 PM Partly Cloudy 56° 56° 0% – SE 5 88% 52° 33% –
10 PM Partly Cloudy 54° 55° 0% – SE 5 90% 52° 33% –
11 PM Partly Cloudy 54° 54° 0% – SSE 5 89% 51° 33% –
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 53° 53° 0% – SSE 5 87% 50° 33% –
1 AM Partly Cloudy 53° 53° 0% – SSE 5 86% 49° 43% –
2 AM Partly Cloudy 52° 52° 0% – SSE 5 86% 48° 43% –
3 AM Partly Cloudy 51° 51° 0% – SSE 5 87% 47° 43% –
4 AM Partly Cloudy 50° 49° 0% – S 5 88% 47° 43% –
5 AM Partly Cloudy 49° 48° 0% – S 5 89% 46° 43% –
6 AM Mostly Sunny 49° 48° 0% – S 5 90% 46° 43% –
7 AM Mostly Sunny 49° 48° 0% – S 5 89% 46° 47% –
8 AM Mostly Sunny 51° 51° 0% – S 5 G10 87% 48° 47% –
9 AM Mostly Sunny 54° 54° 0% – S 5 G10 83% 49° 47% –
10 AM Mostly Sunny 58° 58° 0% – S 5 G12 79% 51° 47% –
11 AM Mostly Sunny 61° 61° 0% – S 5 G13 73% 52° 47% –
12 PM Mostly Sunny 64° 64° 0% – S 5 G14 67% 53° 47% –
1 PM Partly Sunny 66° 66° 0% – S 5 G14 62% 53° 53% –
2 PM Partly Sunny 68° 68° 0% – S 5 G15 58% 53° 53% –
3 PM Partly Sunny 69° 69° 0% – S 5 G15 55% 52° 53% –
4 PM Partly Sunny 69° 69° 0% – S 5 G15 54% 52° 53% –
5 PM Partly Sunny 68° 68° 0% – S 5 G14 57% 52° 53% –
6 PM Mostly Cloudy 66° 66° 0% – S 5 G12 62% 52° 53% –
7 PM Mostly Cloudy 63° 63° 0% – S 5 G10 67% 52° 64% –
8 PM Mostly Cloudy 61° 61° 0% – S 5 G10 71% 52° 64% –
9 PM Mostly Cloudy 59° 59° 0% – S 5 G12 73% 51° 64% –
10 PM Mostly Cloudy 57° 57° 0% – S 5 G13 75% 50° 64% –
11 PM Mostly Cloudy 56° 56° 0% – S 5 G13 76% 49° 64% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 56° 56° 0% – S 5 G13 76% 48° 64% –
1 AM Mostly Cloudy 55° 55° 0% – S 5 G12 76% 48° 53% –
2 AM Mostly Cloudy 55° 55° 0% – S 5 G12 76% 47° 53% –
3 AM Mostly Cloudy 54° 54° 0% – SSW 5 G10 76% 47° 53% –
4 AM Mostly Cloudy 54° 54° 0% – SSW 5 G10 77% 47° 53% –
5 AM Mostly Cloudy 53° 53° 0% – SSW 5 G10 79% 47° 53% –
6 AM Partly Sunny 52° 52° 0% – SSW 5 82% 46° 53% –
7 AM Partly Sunny 52° 52° 1% – SSW 5 83% 47° 54% –
8 AM Partly Sunny 54° 54° 1% – SSW 5 82% 49° 54% –
9 AM Partly Sunny 57° 57° 1% – SSW 5 79% 50° 54% –
10 AM Partly Sunny 60° 60° 1% – SW 5 75% 52° 54% –
11 AM Partly Sunny 63° 63° 1% – SW 5 70% 53° 54% –
12 PM Partly Sunny 66° 66° 1% – SW 5 G10 65% 54° 54% –
1 PM Partly Sunny 68° 68° 4% – SW 5 G10 60% 54° 54% –
2 PM Partly Sunny 70° 70° 4% – SW 5 G10 56% 54° 54% –
3 PM Partly Sunny 71° 71° 4% – SW 5 54% 53° 54% –
4 PM Partly Sunny 70° 70° 4% – SW 5 54% 53° 54% –
5 PM Partly Sunny 69° 69° 4% – SW 5 58% 53° 54% –
6 PM Mostly Cloudy 66° 66° 4% – SW 5 64% 54° 54% –
7 PM Mostly Cloudy 63° 63° 4% – Calm 71% 54° 65% –
8 PM Mostly Cloudy 61° 61° 4% – Calm 77% 53° 65% –
9 PM Mostly Cloudy 58° 58° 4% – Calm 82% 52° 65% –
10 PM Mostly Cloudy 56° 56° 4% – Calm 85% 52° 65% –
11 PM Mostly Cloudy 55° 55° 4% – Calm 87% 51° 65% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 54° 54° 4% – Calm 86% 50° 65% –
1 AM Mostly Cloudy 54° 54° 12% – Calm 85% 49° 71% –
2 AM Mostly Cloudy 53° 53° 12% – Calm 86% 49° 71% –
3 AM Mostly Cloudy 52° 52° 12% – Calm 87% 48° 71% –
4 AM Mostly Cloudy 51° 51° 12% – Calm 88% 48° 71% –
5 AM Mostly Cloudy 50° 50° 12% – Calm 89% 47° 71% –
6 AM Mostly Cloudy 50° 50° 12% – Calm 90% 47° 71% –
7 AM Slight Chance Rain Showers 50° 49° 15% – NNE 5 89% 47° 65% –
8 AM Slight Chance Rain Showers 51° 51° 15% – NNE 5 88% 48° 65% –
9 AM Slight Chance Rain Showers 54° 54° 15% – N 5 85% 49° 65% –
10 AM Slight Chance Rain Showers 56° 56° 15% – N 5 81% 50° 65% –
11 AM Slight Chance Rain Showers 58° 58° 15% – N 5 77% 51° 65% –
12 PM Slight Chance Rain Showers 60° 60° 15% – NW 5 72% 51° 65% –
1 PM Slight Chance Rain Showers 61° 61° 16% – WNW 5 67% 50° 61% –
2 PM Slight Chance Rain Showers 62° 62° 16% – NW 5 G10 63% 50° 61% –
3 PM Slight Chance Rain Showers 63° 63° 16% – N 5 G12 60% 49° 61% –
4 PM Slight Chance Rain Showers 62° 62° 16% – N 5 G12 60% 48° 61% –
5 PM Slight Chance Rain Showers 61° 61° 16% – N 5 G12 64% 48° 61% –
6 PM Slight Chance Rain Showers 58° 59° 16% – N 5 G10 71% 49° 61% –
7 PM Slight Chance Rain Showers 56° 56° 15% – N 5 79% 50° 67% –
8 PM Slight Chance Rain Showers 54° 54° 15% – N 5 85% 49° 67% –
9 PM Slight Chance Rain Showers 52° 52° 15% – N 5 89% 49° 67% –
10 PM Slight Chance Rain Showers 50° 49° 15% – N 5 93% 48° 67% –
11 PM Slight Chance Rain Showers 49° 48° 15% – N 5 94% 47° 67% –
Tuesday, October 2711 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Slight Chance Rain Showers 48° 48° 15% – N 5 94% 47° 67% –
1 AM Mostly Cloudy 48° 48° 13% – N 5 93% 46° 60% –
2 AM Mostly Cloudy 47° 47° 13% – N 5 94% 46° 60% –
3 AM Mostly Cloudy 46° 47° 13% – N 5 95% 45° 60% –
4 AM Mostly Cloudy 46° 45° 13% – N 5 96% 45° 60% –
5 AM Mostly Cloudy 45° 44° 13% – N 5 97% 44° 60% –
6 AM Partly Sunny 44° 43° 13% – N 5 98% 44° 60% –
7 AM Mostly Sunny 45° 43° 11% – N 5 97% 44° 48% –
8 AM Mostly Sunny 47° 45° 11% – N 5 94% 45° 48% –
9 AM Mostly Sunny 50° 48° 11% – NNE 5 89% 46° 48% –
10 AM Mostly Sunny 52° 52° 11% – NNE 5 G10 84% 47° 48% –

National Weather Service forecast updated 9 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.