10-day forecast for Blair, IL: 31° to 69°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Saturday, November 21
47°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1347° / 36°0
Morning39°feels 32°
Afternoon46°feels 40°
Evening41°feels 37°
Overnight38°feels 32°
47 °
Blair, Friday, 13 November
Overcast. High 47°, low 36°.
Pressure30.12 inHg
Wind12.6 mph NW
Humidity62%
Visibility6.2 mi
Dew point26°
Sat, 1448° / 31°0
Morning35°feels 31°
Afternoon48°feels 48°
Evening38°feels 38°
Overnight33°feels 29°
48 °
Blair, Saturday, 14 November
Clear. High 48°, low 31°.
Pressure30.33 inHg
Wind3 mph N
Humidity54%
Visibility6.2 mi
Dew point26°
Sun, 1551° / 32°0
Morning36°feels 36°
Afternoon51°feels 48°
Evening40°feels 40°
Overnight33°feels 33°
51 °
Blair, Sunday, 15 November
Overcast. High 51°, low 32°.
Pressure30.45 inHg
Wind1.9 mph NE
Humidity49%
Visibility6.2 mi
Dew point29°
Mon, 1653° / 33°0
Morning39°feels 39°
Afternoon53°feels 50°
Evening43°feels 41°
Overnight34°feels 34°
53 °
Blair, Monday, 16 November
Clear. High 53°, low 33°.
Pressure30.50 inHg
Wind2.7 mph SE
Humidity45%
Visibility6.2 mi
Dew point30°
Tue, 1755° / 33°0
Morning39°feels 38°
Afternoon52°feels 50°
Evening44°feels 42°
Overnight40°feels 37°
55 °
Blair, Tuesday, 17 November
Clear. High 55°, low 33°.
Pressure30.45 inHg
Wind5.6 mph SE
Humidity53%
Visibility—
Dew point34°
Wed, 1863° / 38°0
Morning45°feels 40°
Afternoon60°feels 57°
Evening52°feels 49°
Overnight47°feels 44°
63 °
Blair, Wednesday, 18 November
Mostly clear. High 63°, low 38°.
Pressure30.33 inHg
Wind13.8 mph S
Humidity36%
Visibility—
Dew point31°
Thu, 1967° / 48°0
Morning53°feels 49°
Afternoon62°feels 60°
Evening55°feels 52°
Overnight51°feels 48°
67 °
Blair, Thursday, 19 November
Overcast. High 67°, low 48°.
Pressure30.27 inHg
Wind13.3 mph S
Humidity29%
Visibility—
Dew point29°
Fri, 2068° / 47°0
Morning53°feels 50°
Afternoon65°feels 63°
Evening56°feels 53°
Overnight52°feels 49°
68 °
Blair, Friday, 20 November
Mostly clear. High 68°, low 47°.
Pressure30.33 inHg
Wind10.3 mph S
Humidity35%
Visibility—
Dew point36°
Sat, 2169° / 49°0
Morning54°feels 52°
Afternoon66°feels 65°
Evening57°feels 55°
Overnight53°feels 51°
69 °
Blair, Saturday, 21 November
Overcast. High 69°, low 49°.
Pressure30.24 inHg
Wind13.1 mph S
Humidity47%
Visibility—
Dew point45°
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.