Cities California San Francisco

San Francisco Running Weather

Sunday, July 26, 2026 · Hour-by-hour forecast updated 5:15 PM PDT

Best Time to Run in San Francisco Today

10 PM

59°F and clear at peak. Wind 13 mph from the WNW, dew point 55°F.

84
Peak FitScore
Temperature
59°F / feels 55°
Wind
13 mph WNW, gusts 26
Dew Point
55°F — noticeable
Humidity
85%
UV Index
0 — Low
Air Quality
39 AQI — Good

Hourly running conditions

☀️ 5 PM
69
67° feels 62° 20 mph WNW
☀️ 6 PM
73
66° feels 60° 19 mph WNW
☀️ 7 PM
75
64° feels 58° 19 mph WNW
🌙 8 PM
77
62° feels 56° 19 mph WNW
🌙 9 PM
78
60° feels 54° 17 mph WNW
🌙 10 PM
84
59° feels 55° 13 mph WNW
🌙 5 AM
78
56° feels 51° 14 mph WNW 1% rain
🌅 6 AM
79
56° feels 52° 13 mph WNW 1% rain
☀️ 7 AM
78
57° feels 53° 14 mph WNW 1% rain
🌤️ 8 AM
75
58° feels 54° 16 mph WNW 1% rain
🌤️ 9 AM
77
60° feels 55° 15 mph WNW 1% rain
🌤️ 10 AM
77
61° feels 56° 15 mph WNW
80–100 Excellent 60–79 Good 40–59 Fair Below 40 Poor

7-day running forecast

☁️
Today Jul 26
69° / 57°
84
🏃 5 AM–11 AM
🌤️
Mon Jul 27
66° / 55°
84
🏃 5 AM–11 AM
☀️
Tue Jul 28
68° / 55°
100
🏃 9 AM–12 PM
☁️
Wed Jul 29
70° / 59°
100
🏃 9 AM–12 PM
Thu Jul 30
70° / 58°
100
🏃 9 AM–12 PM
☁️
Fri Jul 31
76° / 57°
98
🏃 9 AM–12 PM
🌤️
Sat Aug 1
75° / 59°
97
🏃 9 AM–12 PM
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RF
Running Forecast
iMessage
🌤 Tomorrow in San Francisco: Best window: 9–11 AM (FitScore 95) 6am: 48°F, feels 45° — NW 8mph 9am: 58°F, feels 56° — W 12mph 12pm: 66°F, feels 65° — SW 8mph ☔ Rain likely after 3pm.
Yesterday 8:14 PM Nightly

San Francisco running weather FAQ

What's the best time to run in San Francisco today?

Based on today's FitScore analysis, the best time to run is 10 PM with a peak FitScore of 84/100. Check the hourly breakdown above for detailed conditions throughout the day.

What months are best for running in San Francisco?

The best months for running in San Francisco are September, October, April, May. The most challenging months are typically July (fog), December (rain). Karl the Fog burns off by 11 AM most days. Embarcadero is wind-sheltered.

What is the FitScore?

FitScore rates each hour from 0–100 for outdoor exercise based on temperature, humidity, dew point, wind, precipitation probability, UV index, and air quality. Higher scores mean better conditions.

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