10-day forecast for Washington, IL: 45° to 72°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Monday, October 26
61° · 0.22 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2772° / 47°0
Morning52°feels 51°
Afternoon71°feels 70°
Evening56°feels 55°
Overnight49°feels 47°
72 °
Washington, Tuesday, 27 October
Overcast. High 72°, low 47°.
Pressure30.24 inHg
Wind5.4 mph S
Humidity69%
Visibility6.2 mi
Dew point53°
Wed, 2872° / 53°0.03
Morning54°feels 53°
Afternoon71°feels 71°
Evening63°feels 62°
Overnight56°feels 55°
72 °
Washington, Wednesday, 28 October
Light rain. High 72°, low 53°.
Pressure30.18 inHg
Wind7.3 mph S
Humidity60%
Visibility6.2 mi
Dew point53°
Thu, 2971° / 58°0.01
Morning58°feels 57°
Afternoon72°feels 72°
Evening64°feels 64°
Overnight60°feels 59°
71 °
Washington, Thursday, 29 October
Light rain. High 71°, low 58°.
Pressure30.09 inHg
Wind8.6 mph SW
Humidity64%
Visibility6.2 mi
Dew point56°
Fri, 3069° / 52°0.14
Morning55°feels 54°
Afternoon68°feels 67°
Evening62°feels 62°
Overnight55°feels 55°
69 °
Washington, Friday, 30 October
Rain. High 69°, low 52°.
Pressure30.21 inHg
Wind5.5 mph SE
Humidity72%
Visibility6.2 mi
Dew point57°
Sat, 3170° / 58°0.23
Morning61°feels 61°
Afternoon66°feels 66°
Evening62°feels 62°
Overnight59°feels 58°
70 °
Washington, Saturday, 31 October
Rain. High 70°, low 58°.
Pressure30.18 inHg
Wind5.7 mph S
Humidity78%
Visibility—
Dew point59°
Sun, 0161° / 57°0.22
Morning59°feels 59°
Afternoon60°feels 60°
Evening58°feels 58°
Overnight58°feels 58°
61 °
Washington, Sunday, 1 November
Light rain. High 61°, low 57°.
Pressure30.00 inHg
Wind6.4 mph N
Humidity86%
Visibility—
Dew point56°
Mon, 0265° / 54°0
Morning57°feels 57°
Afternoon63°feels 63°
Evening62°feels 62°
Overnight60°feels 60°
65 °
Washington, Monday, 2 November
Overcast. High 65°, low 54°.
Pressure29.88 inHg
Wind13 mph SE
Humidity76%
Visibility—
Dew point55°
Tue, 0362° / 49°0.18
Morning53°feels 52°
Afternoon51°feels 48°
Evening49°feels 43°
Overnight51°feels 45°
62 °
Washington, Tuesday, 3 November
Light rain. High 62°, low 49°.
Pressure29.74 inHg
Wind21.4 mph W
Humidity65%
Visibility—
Dew point40°
Wed, 0456° / 45°0
Morning48°feels 42°
Afternoon53°feels 50°
Evening48°feels 46°
Overnight49°feels 45°
56 °
Washington, Wednesday, 4 November
Overcast. High 56°, low 45°.
Pressure29.91 inHg
Wind21.3 mph W
Humidity36%
Visibility—
Dew point27°
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.