10-day forecast for Washington, IL: 27° to 62°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
62°
Best day: Friday, November 20
39°
Worst day: Sunday, November 22
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1445° / 30°0
Morning33°feels 29°
Afternoon45°feels 43°
Evening36°feels 36°
Overnight32°feels 27°
45 °
Washington, Saturday, 14 November
Clear. High 45°, low 30°.
Pressure30.30 inHg
Wind4.4 mph NW
Humidity60%
Visibility6.2 mi
Dew point26°
Sun, 1547° / 31°0
Morning35°feels 35°
Afternoon47°feels 47°
Evening38°feels 38°
Overnight32°feels 32°
47 °
Washington, Sunday, 15 November
Clear. High 47°, low 31°.
Pressure30.47 inHg
Wind2.5 mph W
Humidity56%
Visibility6.2 mi
Dew point31°
Mon, 1650° / 31°0
Morning35°feels 31°
Afternoon50°feels 47°
Evening40°feels 36°
Overnight34°feels 34°
50 °
Washington, Monday, 16 November
Clear. High 50°, low 31°.
Pressure30.53 inHg
Wind5.5 mph SW
Humidity53%
Visibility6.2 mi
Dew point32°
Tue, 1753° / 34°0
Morning39°feels 35°
Afternoon53°feels 50°
Evening44°feels 40°
Overnight36°feels 31°
53 °
Washington, Tuesday, 17 November
Mostly clear. High 53°, low 34°.
Pressure30.47 inHg
Wind6.9 mph S
Humidity59%
Visibility6.2 mi
Dew point38°
Wed, 1856° / 37°0
Morning42°feels 37°
Afternoon53°feels 51°
Evening51°feels 48°
Overnight47°feels 42°
56 °
Washington, Wednesday, 18 November
Overcast. High 56°, low 37°.
Pressure30.30 inHg
Wind12.1 mph S
Humidity57%
Visibility—
Dew point36°
Thu, 1954° / 45°0
Morning52°feels 51°
Afternoon53°feels 53°
Evening48°feels 46°
Overnight47°feels 45°
54 °
Washington, Thursday, 19 November
Overcast. High 54°, low 45°.
Pressure30.24 inHg
Wind12.1 mph S
Humidity89%
Visibility—
Dew point51°
Fri, 2062° / 43°0
Morning52°feels 49°
Afternoon62°feels 60°
Evening60°feels 58°
Overnight57°feels 55°
62 °
Washington, Friday, 20 November
Overcast. High 62°, low 43°.
Pressure30.21 inHg
Wind17.9 mph S
Humidity66%
Visibility—
Dew point49°
Sat, 2161° / 41°0.02
Morning57°feels 56°
Afternoon58°feels 56°
Evening41°feels 31°
Overnight44°feels 36°
61 °
Washington, Saturday, 21 November
Light rain. High 61°, low 41°.
Pressure29.83 inHg
Wind23 mph W
Humidity68%
Visibility—
Dew point50°
Sun, 2239° / 27°0
Morning33°feels 23°
Afternoon34°feels 23°
Evening29°feels 18°
Overnight28°feels 17°
39 °
Washington, Sunday, 22 November
Mostly clear. High 39°, low 27°.
Pressure30.24 inHg
Wind18.8 mph NW
Humidity35%
Visibility—
Dew point9°
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 Washington, 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.