San Francisco weather, reported by Hugh
The live pet-owner forecast for San Francisco, California: walk verdicts, paw-safety context, and a very good weather anchor. Real forecast data, reported with more tail wags than your usual station.
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Can you walk your dog in San Francisco right now?
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Verdicts use the same temperature bands as our vet-sourced guides to safe walking temperatures and cold-weather limits, including the humidity bump and the 7-second pavement test.
Next 12 hours in San Francisco
10-day San Francisco forecast
Live forecast: Weather. Updates every few minutes.
What San Francisco weather usually means for pets
Averages tell you what to plan a wardrobe around. Here is San Francisco's typical year with a dog-walk comfort rating for each month, using the same bands as the live verdict above.
| Month | Avg high | Avg low | Typical midday walk |
|---|---|---|---|
| January | 57.8°F / 14°C | 46.6°F / 8°C | Safe — great walk weather |
| February | 60.4°F / 16°C | 47.9°F / 9°C | Safe — great walk weather |
| March | 62.1°F / 17°C | 48.9°F / 9°C | Safe — great walk weather |
| April | 63°F / 17°C | 49.7°F / 10°C | Safe — great walk weather |
| May | 64.1°F / 18°C | 51.4°F / 11°C | Safe — great walk weather |
| June | 66.5°F / 19°C | 53°F / 12°C | Safe — great walk weather |
| July | 66.3°F / 19°C | 54.4°F / 12°C | Safe — great walk weather |
| August | 67.9°F / 20°C | 55.5°F / 13°C | Safe — great walk weather |
| September | 70.2°F / 21°C | 55.6°F / 13°C | Fine for most dogs |
| October | 69.8°F / 21°C | 54.4°F / 12°C | Fine for most dogs |
| November | 63.7°F / 18°C | 50.7°F / 10°C | Safe — great walk weather |
| December | 57.9°F / 14°C | 47°F / 8°C | Safe — great walk weather |
Record high: 106°F / 41°C (September 1, 2017) · Record low: 27°F / -3°C (December 11, 1932)
Climate data: NOAA/NWS 1991-2020 U.S. Climate Normals (downtown San Francisco).
San Francisco weather facts every pet owner should know
- San Francisco may be the best year-round dog walking city in America: average highs range only from 57.8F in January to 70.2F in September, almost never touching the 77F caution line.
- The famous summer fog keeps July average highs to 66.3F, cooler than September's 70.2F, so peak summer here is genuinely more comfortable for thick-coated dogs than early fall.
- It essentially never snows in San Francisco, and the record low is only 27F, so booties and heavy winter coats can stay in the closet, though damp 40s evenings warrant a sweater for small dogs.
- Heat is rare but real: the city hit an all-time record 106F on September 1, 2017, and dogs acclimated to 60s weather struggle fast in a heat wave, so have an indoor cooling plan for those few days.
San Francisco pet weather questions
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