Current Weather
12:20 PM
72°F
Sunny
RealFeel® 78°
Pleasant
RealFeel Shade™ 69°
Pleasant
RealFeel®
78°
RealFeel Shade™
69°
Max UV Index
9.3 (Very High)
Wind
S 10 mph
Wind Gusts
16 mph
Humidity
47%
Indoor Humidity
47% (Ideal Humidity)
Dew Point
51° F
Pressure
↔ 29.85 in
Cloud Cover
0%
Visibility
10 mi
Cloud Ceiling
40000 ft
Day
5/15
80°Hi
RealFeel®
80°
Pleasant
RealFeel Shade™
76°
Pleasant
Breezy this morning; otherwise, mostly sunny and warm
Max UV Index9.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindS 12 mph
Wind Gusts21 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover17%
Night
5/15
64°Lo
RealFeel®
61°
Cool
Mostly cloudy with a thunderstorm; thunderstorms can bring hail and damaging winds
WindS 8 mph
Wind Gusts17 mph
Probability of Precipitation70%
Probability of Thunderstorms43%
Precipitation0.29 in
Rain0.29 in
Hours of Precipitation2
Hours of Rain2
Cloud Cover93%
Sun & Moon
14 hrs 33 mins
Rise
5:39 AM
Set
8:12 PM
Waning Crescent
Rise
4:26 AM
Set
7:19 PM
Temperature History
5/15High
Low
Forecast
80°
64°
Average
70°
48°
Last Year
94°
65°
Record
94°
2025
31°
1904
Current Weather Conditions in Harmon
Harmon, Illinois is currently Sunny with a temperature of 72°. The current RealFeel® Temperature is 78° (Pleasant) based on observed conditions including 47% humidity, 0% cloud cover, a UV index of 9, and winds of 10 mph. In shade, the RealFeel Shade™ is 69°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Harmon, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.