10-day forecast for Blair, IL: 42° to 71°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Monday, November 9
69° · 0.89 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 0463° / 53°0.01
Morning58°feels 57°
Afternoon60°feels 58°
Evening58°feels 56°
Overnight61°feels 61°
63 °
Blair, Wednesday, 4 November
Light rain. High 63°, low 53°.
Pressure29.80 inHg
Wind11.7 mph W
Humidity57%
Visibility6.2 mi
Dew point49°
Thu, 0565° / 49°0.02
Morning53°feels 51°
Afternoon65°feels 64°
Evening54°feels 53°
Overnight51°feels 50°
65 °
Blair, Thursday, 5 November
Light rain. High 65°, low 49°.
Pressure29.88 inHg
Wind7.3 mph W
Humidity51%
Visibility6.2 mi
Dew point45°
Fri, 0657° / 50°0
Morning52°feels 51°
Afternoon56°feels 55°
Evening53°feels 51°
Overnight50°feels 49°
57 °
Blair, Friday, 6 November
Overcast. High 57°, low 50°.
Pressure30.03 inHg
Wind10.1 mph NW
Humidity64%
Visibility6.2 mi
Dew point45°
Sat, 0756° / 45°0
Morning49°feels 47°
Afternoon54°feels 52°
Evening48°feels 48°
Overnight49°feels 48°
56 °
Blair, Saturday, 7 November
Overcast. High 56°, low 45°.
Pressure30.21 inHg
Wind5.4 mph NW
Humidity52%
Visibility—
Dew point36°
Sun, 0866° / 42°0
Morning48°feels 46°
Afternoon62°feels 60°
Evening55°feels 53°
Overnight49°feels 48°
66 °
Blair, Sunday, 8 November
Clear. High 66°, low 42°.
Pressure30.18 inHg
Wind5.4 mph W
Humidity54%
Visibility—
Dew point43°
Mon, 0971° / 46°0
Morning52°feels 51°
Afternoon66°feels 64°
Evening59°feels 57°
Overnight54°feels 52°
71 °
Blair, Monday, 9 November
Clear. High 71°, low 46°.
Pressure30.06 inHg
Wind6.5 mph S
Humidity38%
Visibility—
Dew point38°
Tue, 1071° / 51°0
Morning56°feels 55°
Afternoon69°feels 68°
Evening62°feels 60°
Overnight57°feels 56°
71 °
Blair, Tuesday, 10 November
Overcast. High 71°, low 51°.
Pressure30.09 inHg
Wind7.5 mph SW
Humidity39%
Visibility—
Dew point42°
Wed, 1161° / 55°0.13
Morning57°feels 56°
Afternoon59°feels 59°
Evening58°feels 58°
Overnight58°feels 58°
61 °
Blair, Wednesday, 11 November
Light rain. High 61°, low 55°.
Pressure30.00 inHg
Wind6.8 mph S
Humidity87%
Visibility—
Dew point55°
Thu, 1258° / 50°0
Morning56°feels 56°
Afternoon58°feels 57°
Evening54°feels 53°
Overnight51°feels 48°
58 °
Blair, Thursday, 12 November
Overcast. High 58°, low 50°.
Pressure30.00 inHg
Wind9.6 mph NE
Humidity80%
Visibility—
Dew point52°
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 Blair, 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.