10-day forecast for Washington, IL: 46° to 71°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Sunday, November 1
66° · 0.76 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0165° / 55°0
Morning57°feels 56°
Afternoon65°feels 64°
Evening60°feels 59°
Overnight57°feels 56°
65 °
Washington, Sunday, 1 November
Overcast. High 65°, low 55°.
Pressure30.30 inHg
Wind5.1 mph SE
Humidity66%
Visibility6.2 mi
Dew point53°
Mon, 0264° / 55°0.02
Morning55°feels 55°
Afternoon62°feels 62°
Evening63°feels 63°
Overnight56°feels 55°
64 °
Washington, Monday, 2 November
Light rain. High 64°, low 55°.
Pressure30.06 inHg
Wind9.9 mph SE
Humidity81%
Visibility6.2 mi
Dew point54°
Tue, 0371° / 63°0.04
Morning62°feels 62°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight63°feels 63°
71 °
Washington, Tuesday, 3 November
Light rain. High 71°, low 63°.
Pressure29.91 inHg
Wind17.1 mph S
Humidity70%
Visibility6.2 mi
Dew point60°
Wed, 0466° / 62°0.76
Morning63°feels 64°
Afternoon64°feels 65°
Evening63°feels 64°
Overnight64°feels 64°
66 °
Washington, Wednesday, 4 November
Rain. High 66°, low 62°.
Pressure29.80 inHg
Wind11.3 mph S
Humidity96%
Visibility—
Dew point63°
Thu, 0566° / 54°0.29
Morning62°feels 63°
Afternoon64°feels 65°
Evening58°feels 58°
Overnight56°feels 55°
66 °
Washington, Thursday, 5 November
Rain. High 66°, low 54°.
Pressure29.62 inHg
Wind7.7 mph N
Humidity89%
Visibility—
Dew point62°
Fri, 0664° / 46°0
Morning50°feels 48°
Afternoon61°feels 60°
Evening56°feels 54°
Overnight52°feels 50°
64 °
Washington, Friday, 6 November
Overcast. High 64°, low 46°.
Pressure29.97 inHg
Wind5.8 mph NE
Humidity53%
Visibility—
Dew point43°
Sat, 0765° / 51°0.04
Morning55°feels 54°
Afternoon62°feels 61°
Evening60°feels 60°
Overnight58°feels 58°
65 °
Washington, Saturday, 7 November
Light rain. High 65°, low 51°.
Pressure29.97 inHg
Wind6.5 mph E
Humidity71%
Visibility—
Dew point51°
Sun, 0864° / 59°0.34
Morning60°feels 60°
Afternoon62°feels 62°
Evening60°feels 60°
Overnight60°feels 60°
64 °
Washington, Sunday, 8 November
Light rain. High 64°, low 59°.
Pressure29.94 inHg
Wind7.6 mph NE
Humidity88%
Visibility—
Dew point58°
Mon, 0964° / 57°0.04
Morning59°feels 59°
Afternoon63°feels 63°
Evening59°feels 59°
Overnight58°feels 57°
64 °
Washington, Monday, 9 November
Light rain. High 64°, low 57°.
Pressure29.91 inHg
Wind9.4 mph NE
Humidity78%
Visibility—
Dew point56°
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.