Fitchburg Weather Forecast
- 56
- 70
Increasing Clouds
- 56
- 72
Partly Sunny
- 56
- 70
Partly Sunny
- 59
- 80
Partly Sunny
- 61
- 80
Slight Chance Rain
- 63
- 78
Mostly Cloudy
Today 4 Sep San Francisco Bay Shoreline
Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. West Winds 5 to 10 Mph. Becoming northwest 10 to 20 Mph in the afternoon.
Tonight 4 Sep San Francisco Bay Shoreline
Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.
Fitchburg Temperature Statistics
September Temperature
Oakland, Metro Oakland International Airport (3.1 miles)
Lowest 2 September, 2026
59 °FAverage September
66.5 °FHighest 1 September, 2026
72.6 °F
Climate (2021–2026)
Oakland, Metro Oakland International Airport (3.1 miles)
Average Low 2021–2026
51.1 °FAverage 2021–2026
58.9 °FAverage High 2021–2026
67.2 °F