S
M
T
W
T
F
S
27
23°
13°
28
26°
12°
29
33°
10°
30
33°
14°
31
31°
14°
1
33°
5°
2
34°
-2°
3
30°
-3°
4
17°
-6°
5
16°
-4°
6
16°
-3°
7
26°
-4°
8
20°
3°
9
24°
-6°
10
27°
-9°
11
16°
-6°
12
16°
-9°
13
17°
-9°
14
12°
-7°
15
13°
5°
16
20°
9°
17
25°
5°
18
30°
-5°
19
25°
4°
20
17°
9°
21
29°
10°
22
29°
6°
23
28°
7°
24
25°
6°
25
27°
8°
26
29°
14°
27
28°
14°
28
35°
14°
29
Hist. Avg.
22°
0°
30
Hist. Avg.
22°
0°
31
Hist. Avg.
23°
0°
1
Hist. Avg.
23°
0°
2
Hist. Avg.
23°
0°
3
Hist. Avg.
23°
0°
4
Hist. Avg.
23°
1°
5
Hist. Avg.
24°
1°
6
Hist. Avg.
24°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Hayward
Hayward's January 2027 forecast shows daily high temperatures ranging from 12° to 35°, with overnight lows between -9° and 14°. The average high for January is 25° with an average low of 3°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Hayward. See also: February | March | April.
