10-day forecast for Washington, IL: 39° to 71°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Sunday, November 1
64° · 1.2 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3171° / 53°0
Morning56°feels 54°
Afternoon70°feels 69°
Evening61°feels 60°
Overnight54°feels 52°
71 °
Washington, Saturday, 31 October
Overcast. High 71°, low 53°.
Pressure30.30 inHg
Wind5 mph SE
Humidity47%
Visibility6.2 mi
Dew point45°
Sun, 0171° / 55°0
Morning58°feels 57°
Afternoon71°feels 70°
Evening60°feels 59°
Overnight55°feels 54°
71 °
Washington, Sunday, 1 November
Overcast. High 71°, low 55°.
Pressure30.30 inHg
Wind6.1 mph S
Humidity59%
Visibility6.2 mi
Dew point53°
Mon, 0265° / 55°0
Morning57°feels 56°
Afternoon63°feels 63°
Evening65°feels 65°
Overnight57°feels 55°
65 °
Washington, Monday, 2 November
Overcast. High 65°, low 55°.
Pressure30.09 inHg
Wind8.9 mph S
Humidity78%
Visibility6.2 mi
Dew point55°
Tue, 0370° / 64°0.19
Morning64°feels 64°
Afternoon69°feels 69°
Evening66°feels 66°
Overnight64°feels 64°
70 °
Washington, Tuesday, 3 November
Rain. High 70°, low 64°.
Pressure29.85 inHg
Wind13.6 mph S
Humidity73%
Visibility—
Dew point60°
Wed, 0464° / 56°1.2
Morning62°feels 63°
Afternoon61°feels 61°
Evening57°feels 56°
Overnight58°feels 57°
64 °
Washington, Wednesday, 4 November
Rain. High 64°, low 56°.
Pressure29.65 inHg
Wind10.4 mph S
Humidity85%
Visibility—
Dew point57°
Thu, 0561° / 54°0
Morning56°feels 56°
Afternoon60°feels 59°
Evening57°feels 56°
Overnight55°feels 53°
61 °
Washington, Thursday, 5 November
Light rain. High 61°, low 54°.
Pressure29.74 inHg
Wind12.8 mph N
Humidity70%
Visibility—
Dew point50°
Fri, 0654° / 50°0
Morning53°feels 51°
Afternoon53°feels 51°
Evening52°feels 50°
Overnight51°feels 49°
54 °
Washington, Friday, 6 November
Overcast. High 54°, low 50°.
Pressure29.91 inHg
Wind11.9 mph N
Humidity65%
Visibility—
Dew point42°
Sat, 0753° / 44°0
Morning49°feels 45°
Afternoon51°feels 48°
Evening46°feels 42°
Overnight45°feels 40°
53 °
Washington, Saturday, 7 November
Overcast. High 53°, low 44°.
Pressure30.12 inHg
Wind10.7 mph NE
Humidity48%
Visibility—
Dew point33°
Sun, 0849° / 39°0
Morning42°feels 36°
Afternoon47°feels 42°
Evening44°feels 39°
Overnight43°feels 38°
49 °
Washington, Sunday, 8 November
Overcast. High 49°, low 39°.
Pressure30.30 inHg
Wind13.8 mph E
Humidity39%
Visibility—
Dew point23°
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.