10-day forecast for Harmony, IL: 35° to 69°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Saturday, October 24
48°
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1861° / 42°0
Morning43°feels 37°
Afternoon61°feels 58°
Evening51°feels 49°
Overnight43°feels 38°
61 °
Harmony, Sunday, 18 October
Clear. High 61°, low 42°.
Pressure30.42 inHg
Wind15 mph SW
Humidity49%
Visibility6.2 mi
Dew point38°
Mon, 1964° / 40°0
Morning42°feels 40°
Afternoon64°feels 62°
Evening51°feels 49°
Overnight46°feels 42°
64 °
Harmony, Monday, 19 October
Clear. High 64°, low 40°.
Pressure30.39 inHg
Wind5.5 mph S
Humidity53%
Visibility6.2 mi
Dew point44°
Tue, 2065° / 43°0
Morning47°feels 47°
Afternoon65°feels 63°
Evening53°feels 51°
Overnight45°feels 44°
65 °
Harmony, Tuesday, 20 October
Clear. High 65°, low 43°.
Pressure30.39 inHg
Wind4.3 mph SE
Humidity50%
Visibility6.2 mi
Dew point44°
Wed, 2167° / 47°0
Morning53°feels 51°
Afternoon65°feels 64°
Evening56°feels 55°
Overnight52°feels 50°
67 °
Harmony, Wednesday, 21 October
Mostly clear. High 67°, low 47°.
Pressure30.27 inHg
Wind6.2 mph SW
Humidity45%
Visibility—
Dew point42°
Thu, 2267° / 49°0
Morning54°feels 53°
Afternoon65°feels 64°
Evening62°feels 60°
Overnight59°feels 58°
67 °
Harmony, Thursday, 22 October
Overcast. High 67°, low 49°.
Pressure30.18 inHg
Wind4.4 mph SE
Humidity52%
Visibility—
Dew point46°
Fri, 2369° / 55°0
Morning59°feels 57°
Afternoon68°feels 66°
Evening60°feels 58°
Overnight57°feels 56°
69 °
Harmony, Friday, 23 October
Partly cloudy. High 69°, low 55°.
Pressure30.24 inHg
Wind9 mph S
Humidity41%
Visibility—
Dew point43°
Sat, 2469° / 53°0
Morning58°feels 56°
Afternoon67°feels 65°
Evening60°feels 59°
Overnight58°feels 56°
69 °
Harmony, Saturday, 24 October
Overcast. High 69°, low 53°.
Pressure30.18 inHg
Wind14.1 mph S
Humidity40%
Visibility—
Dew point41°
Sun, 2555° / 44°0
Morning47°feels 44°
Afternoon54°feels 51°
Evening46°feels 41°
Overnight44°feels 40°
55 °
Harmony, Sunday, 25 October
Overcast. High 55°, low 44°.
Pressure30.36 inHg
Wind12.2 mph N
Humidity53%
Visibility—
Dew point37°
Mon, 2648° / 44°0.01
Morning46°feels 43°
Afternoon46°feels 42°
Evening48°feels 44°
Overnight47°feels 44°
48 °
Harmony, Monday, 26 October
Light rain. High 48°, low 44°.
Pressure30.36 inHg
Wind8.4 mph SE
Humidity82%
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.