Hayward Regional Shoreline Weather Forecast
- 60
- 80
Becoming Sunny
- 60
- 79
Mostly Sunny
- 59
- 75
Partly Sunny
- 59
- 73
Partly Sunny
- 59
- 72
Mostly Cloudy
- 60
- 72
Mostly Cloudy
Today 31 Aug San Francisco Bay Shoreline
Sunny. Highs in the 70s to upper 80s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.
Tonight 31 Aug San Francisco Bay Shoreline
Mostly clear. Lows in the lower 60s. West Winds 10 to 20 Mph.
Hayward Regional Shoreline Temperature Statistics
August Temperature
Hayward, Hayward Air Terminal (1.2 miles)
Lowest 4 August, 2025
56.6 °FAverage August
65.2 °FHighest 20 August, 2025
85.6 °F
Climate (2020–Present)
Hayward, Hayward Air Terminal (1.2 miles)
Average Low 2020–2025
52 °FAverage 2020–2025
59.3 °FAverage High 2020–2025
69 °F