Mid-autumn · Weather & things to do
Downtown San Diego & Gaslamp Quarter in October
Downtown San Diego & Gaslamp Quarter cools off: highs slip to 81°F (27°C), from 88°F in September, with lows of 61°F (16°C) and about 0.6 in (15 mm) of rain.
October opens the best stretch on our comfort score, at 92/100 (3rd of 12).

- Avg high
- 81°F (27°C)
- Avg low
- 61°F (16°C)
- Rain
- 0.6 in (15 mm)
- Humidity
- 60%
- Cloud cover
- 54%
- Daylight
- ~11 h 10 min
- Comfort score
- 92/100 · Great
What October feels like
Warm afternoons near 81°F (27°C) make long days outdoors easy.
After dark, temperatures fall to about 61°F (16°C).
Rain is scarce: about 0.6 in (15 mm) for the whole month.
Plan around October
October is one of Downtown San Diego & Gaslamp Quarter's best months on the climate data.
- Last dry month before the rain picks up: November brings 1.0 in (25 mm).
- Opens the best-scoring stretch on our comfort score: October – March.
- Comfort improves from 75/100 in September to 92/100.
- Our San Diego New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — October falls outside it.
What to pack for October
- Light, breathable clothes81°F afternoons
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Downtown San Diego & Gaslamp Quarter in October
With conditions on your side, the picks below favor time outside.
Altitude Sky Lounge
Rooftop bar on top of the Marriott Gaslamp Quarter, looking down into Petco Park.
Why now October scores 92/100 for comfort, good conditions for being outside.
Coronado Ferry Landing
Shops and a small park at the Coronado ferry pier, facing the downtown skyline across the bay.
Why now Highs near 81°F and 0.6 in of monthly rain make this an easy outdoor pick.
C Level
Seafood restaurant at the water's edge on Harbor Island, with a full view of the downtown skyline across the bay.
SeaWorld San Diego
Marine park on Mission Bay whose Christmas Celebration ends New Year's Eve with fireworks at about 9 pm.
Why now One to do outside while the weather is on your side.
Nearby in October
- La Jolla in October~11 mi · highs 73°F, 0.7 in rain · 5°C (8°F) cooler by day, about as wet
- Palm Springs in October~85 mi · highs 88°F, 0.3 in rain · 4°C (8°F) warmer by day, about as wet
- Joshua Tree in October~108 mi · highs 81°F, 0.3 in rain · similar daytime temperatures, about as wet
- Los Angeles in October~112 mi · highs 81°F, 0.7 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~394 m to Downtown San Diego & Gaslamp Quarter's ~10 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Downtown San Diego & Gaslamp Quarter in October: quick answers
Is October a good time to visit Downtown San Diego & Gaslamp Quarter?
Yes. On the climate data it's one of the best months, scoring 92/100. Expect highs of 81°F (27°C) and 0.6 in (15 mm) of rain.
How hot is Downtown San Diego & Gaslamp Quarter in October?
Average highs are 81°F (27°C) and average lows 61°F (16°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Downtown San Diego & Gaslamp Quarter in October?
Not much: about 0.6 in (15 mm) of rain falls across October on average, the 6th-driest month of the year. The annual total is about 10.6 in (268 mm).
What should I pack for Downtown San Diego & Gaslamp Quarter in October?
Bring light, breathable clothes (81°F afternoons) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Downtown San Diego & Gaslamp Quarter
Planning Downtown San Diego & Gaslamp Quarter in October?
Share this October plan with your group, poll everyone on dates and keep the packing list in one place.

