Sunnyside Weather Forecast
- 57
- 75
Increasing Clouds
- 59
- 74
Increasing Clouds
- 60
- 69
Chance Rain Showers
- 59
- 70
Chance Rain Showers
- 59
- 70
Partly Sunny
- 59
- 73
Partly Sunny
- 61
- 75
Slight Chance Rain Showers
Today 16 Sep San Francisco
Sunny. Highs in the mid 60s to lower 80s. West Winds around 5 Mph increasing to 10 to 15 Mph in the afternoon.
Tonight 16 Sep San Francisco
Partly cloudy. Lows in the upper 50s. West Winds 5 to 10 Mph.
Sunnyside Temperature Statistics
September Temperature
San Francisco, San Francisco International Airport (8.7 miles)
Lowest 1 September, 2025
57 °FAverage September
65.3 °FHighest 8 September, 2025
77 °F
Climate (2020–Present)
San Francisco, San Francisco International Airport (8.7 miles)
Average Low 2020–2025
52.3 °FAverage 2020–2025
58.3 °FAverage High 2020–2025
66.7 °F