10-day forecast for Blair, IL: 44° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Friday, October 30
69° · 0.41 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3171° / 59°0
Morning60°feels 59°
Afternoon70°feels 69°
Evening62°feels 62°
Overnight63°feels 62°
71 °
Blair, Saturday, 31 October
Overcast. High 71°, low 59°.
Pressure30.27 inHg
Wind3.9 mph SE
Humidity60%
Visibility6.2 mi
Dew point51°
Sun, 0167° / 55°0
Morning60°feels 60°
Afternoon65°feels 64°
Evening59°feels 58°
Overnight61°feels 61°
67 °
Blair, Sunday, 1 November
Overcast. High 67°, low 55°.
Pressure30.30 inHg
Wind11.2 mph SE
Humidity66%
Visibility6.2 mi
Dew point55°
Mon, 0272° / 58°0
Morning60°feels 60°
Afternoon71°feels 71°
Evening67°feels 67°
Overnight59°feels 58°
72 °
Blair, Monday, 2 November
Overcast. High 72°, low 58°.
Pressure30.12 inHg
Wind13.7 mph S
Humidity60%
Visibility6.2 mi
Dew point54°
Tue, 0369° / 64°0.41
Morning64°feels 65°
Afternoon68°feels 69°
Evening66°feels 67°
Overnight66°feels 66°
69 °
Blair, Tuesday, 3 November
Rain. High 69°, low 64°.
Pressure29.91 inHg
Wind15.9 mph S
Humidity82%
Visibility6.2 mi
Dew point62°
Wed, 0466° / 58°0.35
Morning65°feels 65°
Afternoon64°feels 64°
Evening60°feels 59°
Overnight60°feels 59°
66 °
Blair, Wednesday, 4 November
Light rain. High 66°, low 58°.
Pressure29.68 inHg
Wind14.3 mph S
Humidity88%
Visibility—
Dew point62°
Thu, 0568° / 56°0
Morning59°feels 59°
Afternoon67°feels 66°
Evening62°feels 61°
Overnight59°feels 58°
68 °
Blair, Thursday, 5 November
Overcast. High 68°, low 56°.
Pressure29.71 inHg
Wind11 mph NW
Humidity66%
Visibility—
Dew point54°
Fri, 0663° / 49°0
Morning53°feels 50°
Afternoon61°feels 59°
Evening54°feels 52°
Overnight51°feels 49°
63 °
Blair, Friday, 6 November
Partly cloudy. High 63°, low 49°.
Pressure29.88 inHg
Wind11.3 mph N
Humidity52%
Visibility—
Dew point43°
Sat, 0762° / 45°0
Morning49°feels 46°
Afternoon59°feels 57°
Evening52°feels 49°
Overnight48°feels 45°
62 °
Blair, Saturday, 7 November
Clear. High 62°, low 45°.
Pressure30.06 inHg
Wind7.5 mph N
Humidity47%
Visibility—
Dew point38°
Sun, 0859° / 44°0
Morning48°feels 44°
Afternoon57°feels 54°
Evening52°feels 48°
Overnight49°feels 45°
59 °
Blair, Sunday, 8 November
Overcast. High 59°, low 44°.
Pressure30.18 inHg
Wind11.5 mph E
Humidity45%
Visibility—
Dew point35°
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.