10-day forecast for Harmony, IL: 41° to 67°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Tuesday, October 27
47°
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2766° / 50°0
Morning52°feels 52°
Afternoon62°feels 62°
Evening58°feels 57°
Overnight51°feels 50°
66 °
Harmony, Tuesday, 27 October
Overcast. High 66°, low 50°.
Pressure30.24 inHg
Wind8.7 mph SE
Humidity73%
Visibility6.2 mi
Dew point53°
Wed, 2865° / 53°0.04
Morning54°feels 53°
Afternoon65°feels 65°
Evening58°feels 57°
Overnight55°feels 54°
65 °
Harmony, Wednesday, 28 October
Light rain. High 65°, low 53°.
Pressure30.18 inHg
Wind6.9 mph S
Humidity68%
Visibility6.2 mi
Dew point52°
Thu, 2967° / 55°0.11
Morning57°feels 57°
Afternoon66°feels 66°
Evening59°feels 59°
Overnight56°feels 55°
67 °
Harmony, Thursday, 29 October
Rain. High 67°, low 55°.
Pressure30.06 inHg
Wind10 mph SW
Humidity70%
Visibility6.2 mi
Dew point56°
Fri, 3065° / 44°0
Morning50°feels 48°
Afternoon63°feels 62°
Evening56°feels 56°
Overnight51°feels 50°
65 °
Harmony, Friday, 30 October
Overcast. High 65°, low 44°.
Pressure30.18 inHg
Wind8.1 mph SE
Humidity49%
Visibility—
Dew point42°
Sat, 3163° / 50°0.11
Morning57°feels 57°
Afternoon61°feels 60°
Evening52°feels 50°
Overnight51°feels 49°
63 °
Harmony, Saturday, 31 October
Light rain. High 63°, low 50°.
Pressure30.15 inHg
Wind8 mph S
Humidity64%
Visibility—
Dew point50°
Sun, 0163° / 49°0
Morning53°feels 50°
Afternoon62°feels 60°
Evening54°feels 52°
Overnight53°feels 51°
63 °
Harmony, Sunday, 1 November
Overcast. High 63°, low 49°.
Pressure30.09 inHg
Wind8.3 mph E
Humidity45%
Visibility—
Dew point40°
Mon, 0255° / 51°0.04
Morning53°feels 51°
Afternoon54°feels 52°
Evening52°feels 50°
Overnight51°feels 50°
55 °
Harmony, Monday, 2 November
Light rain. High 55°, low 51°.
Pressure29.91 inHg
Wind10 mph NE
Humidity66%
Visibility—
Dew point42°
Tue, 0357° / 49°0
Morning51°feels 50°
Afternoon56°feels 55°
Evening55°feels 53°
Overnight53°feels 51°
57 °
Harmony, Tuesday, 3 November
Overcast. High 57°, low 49°.
Pressure30.06 inHg
Wind6.9 mph W
Humidity74%
Visibility—
Dew point48°
Wed, 0447° / 41°0
Morning43°feels 37°
Afternoon45°feels 38°
Evening43°feels 37°
Overnight42°feels 36°
47 °
Harmony, Wednesday, 4 November
Light rain. High 47°, low 41°.
Pressure30.33 inHg
Wind17.3 mph NE
Humidity72%
Visibility—
Dew point37°
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.