10-day forecast for Harmony, IL: 35° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Saturday, October 24
63° · 0.31 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1658° / 43°0.03
Morning48°feels 43°
Afternoon50°feels 44°
Evening47°feels 41°
Overnight51°feels 49°
58 °
Harmony, Friday, 16 October
Light rain. High 58°, low 43°.
Pressure30.09 inHg
Wind17.5 mph NW
Humidity77%
Visibility5.7 mi
Dew point44°
Sat, 1755° / 35°0
Morning37°feels 33°
Afternoon54°feels 51°
Evening46°feels 42°
Overnight40°feels 34°
55 °
Harmony, Saturday, 17 October
Clear. High 55°, low 35°.
Pressure30.53 inHg
Wind6 mph SW
Humidity47%
Visibility6.2 mi
Dew point30°
Sun, 1861° / 41°0
Morning43°feels 37°
Afternoon60°feels 58°
Evening50°feels 48°
Overnight42°feels 37°
61 °
Harmony, Sunday, 18 October
Clear. High 61°, low 41°.
Pressure30.45 inHg
Wind14.4 mph SW
Humidity48%
Visibility6.2 mi
Dew point38°
Mon, 1962° / 41°0
Morning45°feels 42°
Afternoon62°feels 60°
Evening51°feels 49°
Overnight46°feels 41°
62 °
Harmony, Monday, 19 October
Partly cloudy. High 62°, low 41°.
Pressure30.39 inHg
Wind6.4 mph S
Humidity51%
Visibility6.2 mi
Dew point41°
Tue, 2065° / 42°0
Morning49°feels 48°
Afternoon64°feels 62°
Evening53°feels 52°
Overnight48°feels 47°
65 °
Harmony, Tuesday, 20 October
Clear. High 65°, low 42°.
Pressure30.33 inHg
Wind4.9 mph SE
Humidity43%
Visibility—
Dew point39°
Wed, 2165° / 46°0
Morning51°feels 50°
Afternoon62°feels 61°
Evening56°feels 54°
Overnight51°feels 49°
65 °
Harmony, Wednesday, 21 October
Clear. High 65°, low 46°.
Pressure30.33 inHg
Wind6.3 mph SE
Humidity54%
Visibility—
Dew point44°
Thu, 2268° / 51°0
Morning55°feels 53°
Afternoon65°feels 64°
Evening59°feels 57°
Overnight56°feels 54°
68 °
Harmony, Thursday, 22 October
Overcast. High 68°, low 51°.
Pressure30.24 inHg
Wind10.4 mph S
Humidity45%
Visibility—
Dew point42°
Fri, 2369° / 53°0
Morning58°feels 56°
Afternoon67°feels 66°
Evening60°feels 59°
Overnight58°feels 56°
69 °
Harmony, Friday, 23 October
Partly cloudy. High 69°, low 53°.
Pressure30.21 inHg
Wind12.8 mph S
Humidity45%
Visibility—
Dew point44°
Sat, 2471° / 57°0
Morning61°feels 59°
Afternoon68°feels 67°
Evening62°feels 62°
Overnight59°feels 58°
71 °
Harmony, Saturday, 24 October
Overcast. High 71°, low 57°.
Pressure30.15 inHg
Wind15.7 mph S
Humidity48%
Visibility—
Dew point47°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Harmony, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.