10-day forecast for Washington, IL: 47° to 76°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Wednesday, October 28
64° · 0.7 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2876° / 53°0
Morning56°feels 55°
Afternoon75°feels 75°
Evening66°feels 66°
Overnight59°feels 58°
76 °
Washington, Wednesday, 28 October
Clear. High 76°, low 53°.
Pressure30.18 inHg
Wind7.5 mph S
Humidity58%
Visibility6.2 mi
Dew point53°
Thu, 2968° / 53°0.01
Morning58°feels 57°
Afternoon66°feels 66°
Evening59°feels 59°
Overnight60°feels 59°
68 °
Washington, Thursday, 29 October
Light rain. High 68°, low 53°.
Pressure30.12 inHg
Wind7.1 mph W
Humidity65%
Visibility6.2 mi
Dew point56°
Fri, 3069° / 47°0.07
Morning47°feels 45°
Afternoon68°feels 67°
Evening59°feels 59°
Overnight50°feels 48°
69 °
Washington, Friday, 30 October
Light rain. High 69°, low 47°.
Pressure30.30 inHg
Wind5.1 mph E
Humidity55%
Visibility6.2 mi
Dew point47°
Sat, 3167° / 57°0.22
Morning58°feels 58°
Afternoon65°feels 65°
Evening61°feels 61°
Overnight58°feels 58°
67 °
Washington, Saturday, 31 October
Rain. High 67°, low 57°.
Pressure30.24 inHg
Wind5.6 mph SW
Humidity87%
Visibility6.2 mi
Dew point59°
Sun, 0169° / 53°0
Morning57°feels 56°
Afternoon66°feels 65°
Evening61°feels 60°
Overnight57°feels 57°
69 °
Washington, Sunday, 1 November
Overcast. High 69°, low 53°.
Pressure30.21 inHg
Wind6.3 mph E
Humidity68%
Visibility—
Dew point54°
Mon, 0265° / 54°0
Morning57°feels 57°
Afternoon61°feels 61°
Evening59°feels 58°
Overnight58°feels 57°
65 °
Washington, Monday, 2 November
Overcast. High 65°, low 54°.
Pressure29.88 inHg
Wind7.2 mph S
Humidity78%
Visibility—
Dew point54°
Tue, 0364° / 59°0.7
Morning60°feels 59°
Afternoon62°feels 62°
Evening64°feels 64°
Overnight63°feels 63°
64 °
Washington, Tuesday, 3 November
Rain. High 64°, low 59°.
Pressure29.68 inHg
Wind22.2 mph E
Humidity87%
Visibility—
Dew point57°
Wed, 0464° / 53°0.43
Morning62°feels 61°
Afternoon61°feels 59°
Evening56°feels 54°
Overnight55°feels 53°
64 °
Washington, Wednesday, 4 November
Rain. High 64°, low 53°.
Pressure29.71 inHg
Wind17.4 mph E
Humidity59%
Visibility—
Dew point47°
Thu, 0555° / 50°0.07
Morning51°feels 49°
Afternoon54°feels 53°
Evening53°feels 52°
Overnight52°feels 51°
55 °
Washington, Thursday, 5 November
Light rain. High 55°, low 50°.
Pressure29.59 inHg
Wind8.8 mph W
Humidity79%
Visibility—
Dew point48°
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.