Average change in
Temperature
Average change in high temperature day-to-day
Last Month:
2.1°
Last Year:
3.7°
Average change in low temperature day-to-day
Last Month:
1.3°
Last Year:
2.6°
Average change in
Precipitation
Chance of dry day after a precip day
Last Month:
100%
Last Year:
50%
Chance of precip day after a dry day
Last Month:
4%
Last Year:
7%
ForecastAdvisor Fact
94.6% of Weather Underground's low temperature forecasts for San Francisco were within 3 degrees of actual temperatures last month.