McHenry, IL Hourly Weather

McHenry County10:25 AM CDT42.33°N, 88.27°WElevation 797 ft

Next 48 hours

10 AM 1 PM 4 PM 7 PM 10 PM Thu Oct 22 1 AM 4 AM 7 AM 10 AM 1 PM 4 PM 7 PM 10 PM Fri Oct 23 1 AM 4 AM 7 AM 45° 50° 55° 60° 65° 70° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 2114 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
10 AM Sunny 57° 57° 0% 0.00 in SW 5 71% 48° 15% 2
11 AM Sunny 62° 62° 0% 0.00 in WSW 5 62% 49° 7% 3
12 PM Sunny 67° 67° 0% 0.00 in WSW 5 54% 50° 5% 4
1 PM Sunny 69° 69° 0% 0.00 in Calm 49% 49° 2% 4
2 PM Sunny 70° 70° 0% 0.00 in Calm 47% 49° 6% 3
3 PM Sunny 71° 71° 0% 0.00 in Calm 46% 49° 3% 2
4 PM Sunny 70° 70° 0% 0.00 in Calm 47% 49° 5% 1
5 PM Sunny 69° 69° 0% 0.00 in Calm 52% 50° 2% 0
6 PM Clear 65° 65° 0% 0.00 in Calm 59% 51° 1% 0
7 PM Mostly Clear 60° 60° 0% 0.00 in Calm 72% 50° 6% 0
8 PM Clear 56° 56° 0% 0.00 in Calm 79% 50° 4% 0
9 PM Mostly Clear 54° 54° 0% 0.00 in Calm 85% 50° 6% 0
10 PM Mostly Clear 53° 53° 0% 0.00 in Calm 89% 50° 13% 0
11 PM Mostly Clear 52° 52° 0% 0.00 in Calm 92% 50° 7% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 51° 51° 0% 0.00 in Calm 94% 49° 8% 0
1 AM Mostly Clear 50° 50° 0% 0.00 in Calm 96% 49° 12% 0
2 AM Mostly Clear 50° 50° 0% 0.00 in Calm 97% 49° 8% 0
3 AM Mostly Clear 49° 49° 0% 0.00 in Calm 99% 48° 11% 0
4 AM Mostly Clear 48° 48° 0% 0.00 in Calm 100% 48° 9% 0
5 AM Clear 47° 47° 0% 0.00 in Calm 100% 47° 5% 0
6 AM Sunny 47° 47° 0% 0.00 in Calm 100% 47° 6% 0
7 AM Sunny 46° 47° 0% 0.00 in Calm 100% 46° 5% 0
8 AM Sunny 49° 49° 0% 0.00 in Calm 100% 49° 6% 0
9 AM Sunny 55° 55° 0% 0.00 in Calm 91% 52° 8% 1
10 AM Sunny 60° 60° 0% 0.00 in Calm 80% 54° 8% 2
11 AM Sunny 64° 64° 0% 0.00 in Calm 71% 55° 7% 3
12 PM Sunny 67° 67° 0% 0.00 in Calm 64% 55° 10% 4
1 PM Sunny 70° 70° 0% 0.00 in Calm 58% 54° 17% 4
2 PM Sunny 70° 70° 0% 0.00 in ENE 5 55% 54° 22% 3
3 PM Sunny 70° 70° 0% 0.00 in E 5 54% 53° 13% 2
4 PM Sunny 69° 69° 0% 0.00 in E 5 56% 53° 14% 1
5 PM Sunny 66° 66° 0% 0.00 in E 5 64% 54° 15% 0
6 PM Mostly Clear 61° 61° 0% 0.00 in E 5 77% 54° 11% 0
7 PM Mostly Clear 56° 56° 0% 0.00 in ENE 5 93% 54° 13% 0
8 PM Mostly Clear 52° 52° 0% 0.00 in E 5 100% 52° 15% 0
9 PM Mostly Clear 50° 50° 0% 0.00 in E 5 100% 50° 17% 0
10 PM Mostly Clear 49° 48° 0% 0.00 in E 5 100% 49° 19% 0
11 PM Mostly Clear 48° 48° 0% 0.00 in Calm 100% 48° 19% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 47° 47° 0% 0.00 in Calm 100% 47° 19% 0
1 AM Mostly Clear 46° 47° 0% 0.00 in Calm 100% 46° 19% 0
2 AM Mostly Clear 46° 46° 0% 0.00 in Calm 100% 46° 20% 0
3 AM Mostly Clear 46° 46° 0% 0.00 in Calm 100% 46° 21% 0
4 AM Mostly Clear 45° 45° 0% 0.00 in Calm 100% 45° 22% 0
5 AM Partly Cloudy 44° 44° 0% 0.00 in Calm 100% 44° 26% 0
6 AM Mostly Sunny 44° 44° 0% 0.00 in Calm 100% 44° 30% 0
7 AM Mostly Sunny 45° 45° 0% 0.00 in Calm 100% 45° 34% 0
8 AM Mostly Sunny 48° 48° 0% 0.00 in Calm 100% 48° 31% 0
9 AM Mostly Sunny 52° 52° 0% 0.00 in SSE 5 100% 52° 27% 1
10 AM Sunny 57° 57° 0% 0.00 in SSE 5 89% 54° 24% 2
11 AM Sunny 61° 61° 0% 0.00 in SSE 5 77% 54° 23% 3
12 PM Sunny 65° 65° 0% 0.00 in S 5 G10 67% 53° 21% 3
1 PM Sunny 68° 68° 0% 0.00 in S 5 G12 59% 53° 20% 3
2 PM Sunny 70° 70° 0% 0.00 in S 5 G12 54% 52° 24% 3
3 PM Mostly Sunny 70° 70° 0% 0.00 in SSE 5 G12 52% 52° 27% 2
4 PM Mostly Sunny 69° 69° 0% 0.00 in SSE 5 G12 54% 52° 31% 1
5 PM Mostly Sunny 66° 66° 0% 0.00 in SSE 5 G12 60% 52° 32% 0
6 PM Partly Cloudy 62° 62° 0% 0.00 in SE 5 G10 69% 52° 32% 0
7 PM Partly Cloudy 59° 59° 0% 0.00 in SE 5 G10 78% 52° 33% 0
8 PM Partly Cloudy 57° 57° 0% 0.00 in SE 5 G10 84% 52° 34% 0
9 PM Partly Cloudy 56° 56° 0% 0.00 in SE 5 G10 85% 51° 34% 0
10 PM Partly Cloudy 55° 55° 0% 0.00 in SE 5 G12 85% 51° 35% 0
11 PM Partly Cloudy 54° 54° 0% 0.00 in SSE 5 G12 85% 50° 37% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 54° 54° 0% 0.00 in SSE 5 G12 84% 49° 40% 0
1 AM Partly Cloudy 54° 54° 0% 0.00 in SSE 5 G12 83% 49° 42% 0
2 AM Partly Cloudy 53° 53° 0% 0.00 in SSE 5 G12 82% 48° 41% –
3 AM Partly Cloudy 52° 53° 0% 0.00 in S 5 G12 82% 47° 39% –
4 AM Partly Cloudy 52° 52° 0% 0.00 in S 5 G12 84% 47° 38% –
5 AM Partly Cloudy 50° 48° 0% 0.00 in S 5 G12 85% 46° 38% –
6 AM Mostly Sunny 49° 47° 0% 0.00 in S 5 G12 87% 46° 39% –
7 AM Mostly Sunny 50° 47° 0% – S 5 G12 87% 46° 39% –
8 AM Mostly Sunny 52° 52° 0% – S 5 G12 84% 47° 40% –
9 AM Mostly Sunny 55° 55° 0% – S 5 G13 79% 49° 41% –
10 AM Mostly Sunny 59° 59° 0% – S 10 73% 50° 42% –
11 AM Mostly Sunny 62° 63° 0% – S 10 66% 51° 45% –
12 PM Mostly Sunny 66° 66° 0% – S 10 G16 61% 52° 48% –
1 PM Partly Sunny 68° 68° 0% – S 10 G17 57% 52° 51% –
2 PM Partly Sunny 69° 69° 0% – S 10 G17 53% 52° 51% –
3 PM Partly Sunny 70° 70° 0% – S 10 G17 52% 51° 52% –
4 PM Partly Sunny 69° 69° 0% – S 10 G17 53% 51° 52% –
5 PM Partly Sunny 67° 67° 0% – S 10 G16 57% 51° 56% –
6 PM Mostly Cloudy 64° 64° 0% – S 10 62% 51° 59% –
7 PM Mostly Cloudy 63° 63° 0% – S 5 63% 50° 63% –
8 PM Mostly Cloudy 61° 61° 0% – S 5 66% 50° 63% –
9 PM Mostly Cloudy 59° 59° 0% – S 5 G10 70% 49° 63% –
10 PM Mostly Cloudy 57° 57° 0% – S 5 G10 72% 48° 63% –
11 PM Mostly Cloudy 56° 56° 0% – S 5 G10 73% 48° 63% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 55° 55° 0% – S 5 74% 47° 63% –
1 AM Mostly Cloudy 55° 55° 1% – SSW 5 73% 47° 66% –
2 AM Mostly Cloudy 54° 54° 1% – SSW 5 74% 46° 66% –
3 AM Mostly Cloudy 54° 54° 1% – SSW 5 75% 46° 66% –
4 AM Mostly Cloudy 53° 53° 1% – SSW 5 76% 46° 66% –
5 AM Mostly Cloudy 52° 52° 1% – Calm 77% 45° 66% –
6 AM Partly Sunny 52° 52° 1% – Calm 79% 45° 66% –
7 AM Partly Sunny 52° 52° 3% – Calm 79% 46° 64% –
8 AM Partly Sunny 54° 54° 3% – SSW 5 78% 47° 64% –
9 AM Partly Sunny 57° 57° 3% – SW 5 76% 49° 64% –
10 AM Partly Sunny 60° 60° 3% – SW 5 72% 51° 64% –
11 AM Partly Sunny 63° 63° 3% – SW 5 67% 52° 64% –
12 PM Partly Sunny 66° 66° 3% – WSW 5 62% 53° 64% –
1 PM Partly Sunny 68° 69° 1% – WSW 5 58% 53° 53% –
2 PM Partly Sunny 70° 70° 1% – WSW 5 55% 53° 53% –
3 PM Partly Sunny 71° 71° 1% – WSW 5 53% 53° 53% –
4 PM Partly Sunny 70° 70° 1% – WSW 5 53% 52° 53% –
5 PM Partly Sunny 68° 68° 1% – Calm 57% 52° 53% –
6 PM Mostly Cloudy 65° 65° 1% – Calm 63% 52° 53% –
7 PM Mostly Cloudy 62° 62° 4% – Calm 69% 52° 58% –
8 PM Mostly Cloudy 60° 60° 4% – Calm 75% 52° 58% –
9 PM Mostly Cloudy 58° 58° 4% – Calm 79% 51° 58% –
10 PM Mostly Cloudy 56° 56° 4% – Calm 82% 50° 58% –
11 PM Mostly Cloudy 55° 55° 4% – Calm 83% 49° 58% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 54° 54° 4% – Calm 82% 49° 58% –
1 AM Mostly Cloudy 54° 54° 7% – Calm 82% 48° 65% –
2 AM Mostly Cloudy 52° 53° 7% – Calm 83% 47° 65% –
3 AM Mostly Cloudy 52° 52° 7% – Calm 84% 47° 65% –
4 AM Mostly Cloudy 51° 51° 7% – Calm 85% 46° 65% –
5 AM Mostly Cloudy 50° 50° 7% – Calm 87% 46° 65% –
6 AM Partly Sunny 50° 50° 7% – Calm 88% 46° 65% –
7 AM Mostly Cloudy 50° 50° 10% – Calm 88% 46° 72% –
8 AM Mostly Cloudy 52° 52° 10% – Calm 86% 48° 72% –
9 AM Mostly Cloudy 54° 54° 10% – Calm 83% 49° 72% –
10 AM Mostly Cloudy 57° 57° 10% – NE 5 79% 51° 72% –
11 AM Mostly Cloudy 59° 59° 10% – NE 5 76% 51° 72% –
12 PM Mostly Cloudy 61° 61° 10% – NNE 5 71% 51° 72% –
1 PM Slight Chance Rain Showers 62° 62° 16% – NNE 5 68% 51° 67% –
2 PM Slight Chance Rain Showers 63° 63° 16% – NNE 5 64% 50° 67% –
3 PM Slight Chance Rain Showers 63° 63° 16% – NNE 5 61% 50° 67% –
4 PM Slight Chance Rain Showers 63° 63° 16% – NNE 5 60% 49° 67% –
5 PM Slight Chance Rain Showers 61° 61° 16% – NNE 5 64% 49° 67% –
6 PM Slight Chance Rain Showers 59° 59° 16% – NNE 5 70% 49° 67% –
7 PM Chance Rain Showers 57° 57° 25% – NNE 5 77% 50° 76% –
8 PM Chance Rain Showers 54° 54° 25% – NNE 5 83% 49° 76% –
9 PM Chance Rain Showers 52° 52° 25% – Calm 89% 49° 76% –
10 PM Chance Rain Showers 50° 50° 25% – Calm 94% 48° 76% –
11 PM Chance Rain Showers 49° 49° 25% – Calm 96% 48° 76% –
Tuesday, October 2720 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Chance Rain Showers 49° 49° 25% – Calm 96% 48° 76% –
1 AM Slight Chance Rain Showers 48° 48° 21% – Calm 95% 47° 69% –
2 AM Slight Chance Rain Showers 48° 48° 21% – Calm 97% 47° 69% –
3 AM Slight Chance Rain Showers 47° 47° 21% – Calm 98% 46° 69% –
4 AM Slight Chance Rain Showers 46° 46° 21% – Calm 99% 46° 69% –
5 AM Slight Chance Rain Showers 45° 45° 21% – Calm 100% 45° 69% –
6 AM Slight Chance Rain Showers 45° 45° 21% – Calm 100% 45° 69% –
7 AM Partly Sunny 45° 45° 13% – Calm 99% 45° 69% –
8 AM Partly Sunny 47° 46° 13% – NNE 5 96% 46° 69% –
9 AM Partly Sunny 50° 48° 13% – NE 5 92% 47° 69% –
10 AM Partly Sunny 52° 52° 13% – NE 5 G10 87% 48° 69% –
11 AM Partly Sunny 54° 54° 13% – NE 5 G10 82% 48° 69% –
12 PM Partly Sunny 55° 55° 13% – NE 5 G10 77% 48° 69% –
1 PM Partly Sunny 56° 56° 11% – NE 5 G12 73% 47° 68% –
2 PM Partly Sunny 56° 56° 11% – NE 5 G12 70% 47° 68% –
3 PM Partly Sunny 56° 56° 11% – NE 5 G12 67% 46° 68% –
4 PM Partly Sunny 56° 56° 11% – NE 5 G10 67% 45° 68% –
5 PM Partly Sunny 55° 55° 11% – NE 5 G10 70% 45° 68% –
6 PM Mostly Cloudy 53° 53° 11% – NE 5 76% 45° 68% –
7 PM Mostly Cloudy 51° 51° 6% – NE 5 82% 46° 61% –

National Weather Service forecast updated 3 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.