10-day forecast for Washington, IL: 29° to 65°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Tuesday, November 10
58° · 0.24 in
Worst day: Wednesday, November 11
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1158° / 42°0.24
Morning48°feels 45°
Afternoon58°feels 57°
Evening46°feels 41°
Overnight45°feels 43°
58 °
Washington, Wednesday, 11 November
Rain. High 58°, low 42°.
Pressure29.74 inHg
Wind8.7 mph W
Humidity85%
Visibility6.2 mi
Dew point50°
Thu, 1246° / 36°0.01
Morning43°feels 37°
Afternoon43°feels 37°
Evening38°feels 31°
Overnight46°feels 42°
46 °
Washington, Thursday, 12 November
Light rain. High 46°, low 36°.
Pressure30.00 inHg
Wind14.5 mph N
Humidity58%
Visibility6.2 mi
Dew point30°
Fri, 1342° / 35°0
Morning36°feels 29°
Afternoon42°feels 36°
Evening36°feels 31°
Overnight36°feels 31°
42 °
Washington, Friday, 13 November
Overcast. High 42°, low 35°.
Pressure30.09 inHg
Wind10.5 mph N
Humidity64%
Visibility6.2 mi
Dew point25°
Sat, 1443° / 29°0
Morning34°feels 34°
Afternoon43°feels 43°
Evening37°feels 37°
Overnight31°feels 31°
43 °
Washington, Saturday, 14 November
Clear. High 43°, low 29°.
Pressure30.24 inHg
Wind1.8 mph NW
Humidity61%
Visibility6.2 mi
Dew point26°
Sun, 1547° / 30°0
Morning35°feels 32°
Afternoon45°feels 43°
Evening39°feels 35°
Overnight35°feels 30°
47 °
Washington, Sunday, 15 November
Clear. High 47°, low 30°.
Pressure30.42 inHg
Wind5.9 mph E
Humidity54%
Visibility—
Dew point28°
Mon, 1650° / 33°0
Morning38°feels 34°
Afternoon47°feels 45°
Evening42°feels 39°
Overnight38°feels 34°
50 °
Washington, Monday, 16 November
Clear. High 50°, low 33°.
Pressure30.53 inHg
Wind6.6 mph E
Humidity56%
Visibility—
Dew point31°
Tue, 1750° / 35°0
Morning39°feels 35°
Afternoon48°feels 46°
Evening42°feels 38°
Overnight39°feels 35°
50 °
Washington, Tuesday, 17 November
Clear. High 50°, low 35°.
Pressure30.47 inHg
Wind6.3 mph SE
Humidity46%
Visibility—
Dew point27°
Wed, 1853° / 35°0
Morning40°feels 35°
Afternoon50°feels 47°
Evening44°feels 39°
Overnight41°feels 35°
53 °
Washington, Wednesday, 18 November
Clear. High 53°, low 35°.
Pressure30.39 inHg
Wind9.6 mph S
Humidity44%
Visibility—
Dew point28°
Thu, 1955° / 38°0
Morning42°feels 37°
Afternoon53°feels 50°
Evening49°feels 45°
Overnight45°feels 41°
55 °
Washington, Thursday, 19 November
Overcast. High 55°, low 38°.
Pressure30.30 inHg
Wind12.2 mph S
Humidity39%
Visibility—
Dew point28°
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.