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Weather in McHenry, United States 🇺🇸

Current Weather in McHenry

Overcast
23°C
Feels like 23°C. Overcast.
🌬️ 9 km/h SW
💧 59% Humidity
🧭 1017 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 2.7
🌡️ Dew Point: 15°C
🌅 Sunrise: 06:06 AM
🌇 Sunset: 07:45 PM
Map Overlays:

Right now McHenry is 23°C with overcast, feeling like 23°C. Relative humidity is 59%, with winds around 9 km/h, and the UV index is 3 (moderate). Over the next few days, temperatures in McHenry range from about 13°C to 27°C.

Hourly Forecast for McHenry

11:00
Overcast
25°
13%
12:00
Overcast
26°
13%
13:00
Overcast
27°
13%
14:00
Light rain shower
22°
45%
15:00
Heavy rain
20°
91%
16:00
Light rain shower
22°
44%
17:00
Light rain shower
22°
33%
18:00
Patchy rain nearby
22°
38%
19:00
Patchy light rain in area with thunder
22°
65%
20:00
Light rain shower
21°
75%
21:00
Patchy rain nearby
20°
47%
22:00
Clear
20°
15%
23:00
Moderate rain at times
20°
65%
00:00
Light rain shower
19°
67%
01:00
Partly Cloudy
19°
23%
02:00
Clear
19°
17%
03:00
Clear
19°
16%
04:00
Clear
19°
16%
05:00
Clear
18°
16%
06:00
Clear
17°
16%
07:00
Sunny
17°
16%
08:00
Sunny
16°
14%
09:00
Sunny
18°
11%
10:00
Sunny
20°
7%

14-Day Forecast for McHenry

Fri, Aug 21
Overcast Overcast
27° / 14°
Sat, Aug 22
Sunny Sunny
24° / 16°
Sun, Aug 23
Sunny Sunny
22° / 13°
Mon, Aug 24
Overcast Overcast
22° / 14°
Tue, Aug 25
Overcast Overcast
24° / 15°
Wed, Aug 26
Sunny Sunny
28° / 19°
Thu, Aug 27
Sunny Sunny
24° / 17°
Fri, Aug 28
Overcast Overcast
26° / 17°
Sat, Aug 29
Light rain shower Light rain shower
27° / 19°
Sun, Aug 30
Sunny Sunny
25° / 18°
Mon, Aug 31
Overcast Overcast
22° / 17°
Tue, Sep 01
Overcast Overcast
27° / 18°
Wed, Sep 02
Sunny Sunny
20° / 14°
Thu, Sep 03
Overcast Overcast
18° / 14°

Additional Forecasts for McHenry

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 161.0 μg/m³
O₃ (Ozone) 73.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.4 μg/m³
SO₂ (Sulphur Dioxide) 1.4 μg/m³
PM2.5 (Fine particles) 8.0 μg/m³
PM10 (Coarse particles) 8.3 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in McHenry Today

The most comfortable window in McHenry today looks like 11:00 to 14:00, when it is around 26°C. It should stay dry through that window. The next likely rain is around 15:00.

Frequently Asked Questions about Weather in McHenry

What is the temperature in McHenry right now?

It is currently 23°C (73°F) in McHenry, overcast (feels like 23°C).

What's the weather like in McHenry right now?

Right now McHenry has Overcast, humidity 59%, wind 9 km/h SW.

What is today's forecast for McHenry?

Today in McHenry: high 27°C, low 14°C, overcast. Chance of rain: 81%.

What is the 7-day weather forecast for McHenry?

Daily highs and lows for McHenry:

  • 2026-08-21: 27°C / 14°C
  • 2026-08-22: 24°C / 16°C
  • 2026-08-23: 22°C / 13°C
  • 2026-08-24: 22°C / 14°C
  • 2026-08-25: 24°C / 15°C
  • 2026-08-26: 28°C / 19°C
  • 2026-08-27: 24°C / 17°C
Is it going to rain in McHenry today?

There is a 81% chance of rain in McHenry today. Total expected precipitation: 19.47 mm.

What is the wind speed in McHenry right now?

Wind in McHenry is currently 9 km/h (6 mph) from the SW.

What is the UV index in McHenry right now?

The UV index in McHenry is currently 2.7 (low). Sun protection is recommended when the index is 3 or higher.

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