10-day forecast for Washington, IL: 25° to 63°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Saturday, November 21
37°
Worst day: Monday, November 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1550° / 26°0
Morning35°feels 35°
Afternoon50°feels 47°
Evening39°feels 39°
Overnight29°feels 29°
50 °
Washington, Sunday, 15 November
Clear. High 50°, low 26°.
Pressure30.47 inHg
Wind0.9 mph W
Humidity55%
Visibility6.2 mi
Dew point32°
Mon, 1651° / 32°0
Morning36°feels 32°
Afternoon51°feels 48°
Evening40°feels 37°
Overnight34°feels 34°
51 °
Washington, Monday, 16 November
Clear. High 51°, low 32°.
Pressure30.53 inHg
Wind6 mph SW
Humidity53%
Visibility6.2 mi
Dew point34°
Tue, 1754° / 35°0
Morning37°feels 32°
Afternoon54°feels 51°
Evening44°feels 39°
Overnight36°feels 31°
54 °
Washington, Tuesday, 17 November
Clear. High 54°, low 35°.
Pressure30.50 inHg
Wind7.5 mph S
Humidity59%
Visibility6.2 mi
Dew point38°
Wed, 1856° / 40°0
Morning43°feels 38°
Afternoon56°feels 53°
Evening49°feels 44°
Overnight42°feels 36°
56 °
Washington, Wednesday, 18 November
Overcast. High 56°, low 40°.
Pressure30.33 inHg
Wind11.4 mph S
Humidity57%
Visibility6.2 mi
Dew point40°
Thu, 1960° / 47°0
Morning53°feels 49°
Afternoon60°feels 58°
Evening54°feels 53°
Overnight51°feels 50°
60 °
Washington, Thursday, 19 November
Mostly clear. High 60°, low 47°.
Pressure30.24 inHg
Wind12 mph S
Humidity59%
Visibility—
Dew point45°
Fri, 2062° / 46°0
Morning50°feels 48°
Afternoon59°feels 57°
Evening56°feels 54°
Overnight55°feels 53°
62 °
Washington, Friday, 20 November
Overcast. High 62°, low 46°.
Pressure30.24 inHg
Wind13.1 mph S
Humidity53%
Visibility—
Dew point40°
Sat, 2163° / 51°0.01
Morning55°feels 53°
Afternoon63°feels 61°
Evening60°feels 57°
Overnight53°feels 51°
63 °
Washington, Saturday, 21 November
Light rain. High 63°, low 51°.
Pressure29.94 inHg
Wind19.5 mph S
Humidity46%
Visibility—
Dew point41°
Sun, 2253° / 33°0.04
Morning41°feels 31°
Afternoon40°feels 30°
Evening35°feels 24°
Overnight34°feels 24°
53 °
Washington, Sunday, 22 November
Light rain. High 53°, low 33°.
Pressure29.91 inHg
Wind25.1 mph W
Humidity68%
Visibility—
Dew point31°
Mon, 2337° / 25°0
Morning28°feels 17°
Afternoon35°feels 26°
Evening31°feels 23°
Overnight28°feels 19°
37 °
Washington, Monday, 23 November
Clear. High 37°, low 25°.
Pressure30.42 inHg
Wind14.9 mph N
Humidity50%
Visibility—
Dew point17°
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.