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Planning ahead in Mchenry County? Our extended 14-Day Weather Forecast provides comprehensive 2-week predictions, including daily temperature highs/lows, precipitation probabilities, and long-term atmospheric trend outlooks.

Mchenry County 14-Day Weather Forecast

Saturday, Oct 24, 2026

Nighttime
55°F

Partly Cloudy

Feels like 55°F

Humidity

77%

Wind Speed

7.2 mph

Precipitation

0 in

Pressure

1026 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

100%

Dew Point

46°F

14-Day Extended Weather Forecast

Today

Oct 24

Partly Cloudy
67°H
50°L
0%

Sun

Oct 25

Partly Cloudy
70°H
50°L
0%

Mon

Oct 26

Partly Cloudy
64°H
50°L
0%

Tue

Oct 27

Partly Cloudy
61°H
50°L
0%

Wed

Oct 28

Partly Cloudy
66°H
55°L
0%

Thu

Oct 29

Partly Cloudy
60°H
45°L
0%

Fri

Oct 30

Partly Cloudy
69°H
47°L
0%

Sat

Oct 31

Partly Cloudy
71°H
57°L
0%

Sun

Nov 1

Partly Cloudy
65°H
60°L
0%

Mon

Nov 2

Partly Cloudy
63°H
48°L
0%

Air Quality (AQI)

99Moderate

Air quality is acceptable. However, there may be a risk for some people.

PM2.5

23.3 µg/m³

PM10

23.3 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

141.1° SE

Sustained Wind

7.2 mph

Wind Gusts

7.2 mph

14-Day Temp Range

Expected 14-Day Swings

45°
71°

High and low limits expected over the next two weeks.

Location View

Mchenry County · 42.31°N, 88.38°W
Radar Page
Coordinates42.3145°N, 88.3756°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)99Moderate
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

Our 14-day forecast for Mchenry County shows detailed long-term predictions, including daily high and low temperatures, precipitation chances, and overall weather patterns.

About Mchenry County Climate & Weather

Weather forecast for Mchenry County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.