S
M
T
W
T
F
S
29
48°
31°
30
44°
25°
1
34°
16°
2
32°
16°
3
35°
29°
4
39°
29°
5
36°
28°
6
36°
23°
7
32°
20°
8
30°
22°
9
37°
23°
10
41°
27°
11
40°
27°
12
44°
26°
13
43°
27°
14
37°
25°
15
37°
24°
16
38°
23°
17
37°
16°
18
36°
14°
19
33°
10°
20
28°
9°
21
25°
21°
22
36°
22°
23
36°
16°
24
35°
8°
25
31°
22°
26
32°
24°
27
37°
23°
28
37°
21°
29
36°
17°
30
35°
16°
31
32°
5°
1
28°
4°
2
24°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Blair
Blair's December 2026 forecast shows daily high temperatures ranging from 24° to 48°, with overnight lows between 4° and 31°. The average high for December is 35° with an average low of 20°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Blair. See also: January | February | March.
