Hayward Weather Forecast
- 45
- 58
Mostly Sunny
- 46
- 61
Mostly Sunny
- 44
- 63
Mostly Sunny
- 45
- 64
Mostly Sunny
- 47
- 61
Mostly Cloudy
- 53
- 63
Chance Rain
Today 10 Dec San Francisco Bay Shoreline
Sunny. Highs in the mid 50s. North Winds 5 to 10 Mph.
Tonight 10 Dec San Francisco Bay Shoreline
Mostly clear. Lows in the mid 40s. North Winds 5 to 10 Mph.
Hayward Temperature Statistics
December Temperature
Hayward, Hayward Air Terminal (1.9 miles)
Lowest 3 December, 2025
41 °FAverage December
48.5 °FHighest 3 December, 2025
64.9 °F
Climate (2020–Present)
Hayward, Hayward Air Terminal (1.9 miles)
Average Low 2020–2025
52 °FAverage 2020–2025
59.2 °FAverage High 2020–2025
68.8 °F