10-day forecast for Harmony, IL: 36° to 69°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Sunday, October 25
54°
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1756° / 36°0
Morning38°feels 35°
Afternoon55°feels 52°
Evening46°feels 42°
Overnight41°feels 36°
56 °
Harmony, Saturday, 17 October
Clear. High 56°, low 36°.
Pressure30.53 inHg
Wind5.7 mph SW
Humidity45%
Visibility6.2 mi
Dew point28°
Sun, 1861° / 41°0
Morning43°feels 37°
Afternoon60°feels 58°
Evening50°feels 47°
Overnight43°feels 37°
61 °
Harmony, Sunday, 18 October
Clear. High 61°, low 41°.
Pressure30.45 inHg
Wind14.1 mph SW
Humidity48%
Visibility6.2 mi
Dew point38°
Mon, 1962° / 41°0
Morning43°feels 40°
Afternoon62°feels 60°
Evening51°feels 49°
Overnight45°feels 41°
62 °
Harmony, Monday, 19 October
Mostly clear. High 62°, low 41°.
Pressure30.42 inHg
Wind5.6 mph S
Humidity47%
Visibility6.2 mi
Dew point40°
Tue, 2065° / 41°0
Morning48°feels 46°
Afternoon63°feels 61°
Evening52°feels 50°
Overnight45°feels 43°
65 °
Harmony, Tuesday, 20 October
Clear. High 65°, low 41°.
Pressure30.39 inHg
Wind6.4 mph SE
Humidity38%
Visibility—
Dew point35°
Wed, 2165° / 43°0
Morning49°feels 47°
Afternoon63°feels 61°
Evening54°feels 52°
Overnight50°feels 48°
65 °
Harmony, Wednesday, 21 October
Overcast. High 65°, low 43°.
Pressure30.30 inHg
Wind6.2 mph S
Humidity37%
Visibility—
Dew point35°
Thu, 2258° / 51°0.02
Morning53°feels 51°
Afternoon56°feels 55°
Evening53°feels 51°
Overnight52°feels 50°
58 °
Harmony, Thursday, 22 October
Light rain. High 58°, low 51°.
Pressure30.18 inHg
Wind7.2 mph S
Humidity80%
Visibility—
Dew point50°
Fri, 2368° / 50°0
Morning55°feels 53°
Afternoon66°feels 64°
Evening58°feels 57°
Overnight55°feels 54°
68 °
Harmony, Friday, 23 October
Clear. High 68°, low 50°.
Pressure30.21 inHg
Wind8.1 mph SE
Humidity46%
Visibility—
Dew point44°
Sat, 2469° / 52°0
Morning56°feels 55°
Afternoon67°feels 66°
Evening59°feels 57°
Overnight55°feels 53°
69 °
Harmony, Saturday, 24 October
Mostly clear. High 69°, low 52°.
Pressure30.21 inHg
Wind10.9 mph S
Humidity49%
Visibility—
Dew point46°
Sun, 2569° / 52°0
Morning57°feels 55°
Afternoon68°feels 66°
Evening60°feels 58°
Overnight56°feels 54°
69 °
Harmony, Sunday, 25 October
Overcast. High 69°, low 52°.
Pressure30.18 inHg
Wind7.7 mph S
Humidity39%
Visibility—
Dew point41°
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.