California month by month
The next 12 months outside in California: what the weather usually does in Los Angeles, San Diego and San Jose, and what's already on the calendar. Races and programs further out are still being posted, so the later months fill in over time.
October 2026
315 events listed
- Los Angeles
- 76° / 58°
- Rain or snow 1 day in 20
- San Diego
- 78° / 58°
- Rain or snow 1 day in 8
- San Jose
- 75° / 54°
- Rain or snow 1 day in 11
- Ridge Creek Run Club 12 Hour UltraSat, Oct 10 · 6:00 AM · ultra · Dinuba
- 2026 2XU Long Beach Marathon & Half MarathonSat, Oct 10 · 6:00 AM · half marathon, marathon · Long Beach Convention Center, Long Beach
- Cookie Run 5K/10K/13.1 SAN FRANCISCOSat, Oct 10 · 7:30 AM · half marathon, 5K, 10K · San Mateo
November 2026
259 events listed
- Los Angeles
- 71° / 52°
- Rain or snow 1 day in 11
- San Diego
- 73° / 50°
- Rain or snow 1 day in 5
- San Jose
- 65° / 47°
- Rain or snow 1 day in 4
- Two Cities MarathonSun, Nov 1 · 5:30 AM · marathon · Clovis Community College, Fresno
- Día de Muertos - Viva la Vida - 5K, 10K, and Half Marathon by Califlow RunsSun, Nov 1 · 6:00 AM · half marathon, 5K, 10K · Long beach
- Halloween Leftovers – 5K, 10K, 10-Miler, Half MarathonSun, Nov 1 · 6:00 AM · half marathon, 5K, 10K, 10 mile · Long Beach
December 2026
136 events listed
- Los Angeles
- 66° / 47°
- Rain or snow 1 day in 6
- San Diego
- 67° / 45°
- Rain or snow 1 day in 4
- San Jose
- 59° / 43°
- Rain or snow 1 day in 3
- Running races (91)
- Big races (45)
- Guided hikes and walks (11)
- Volunteer days (11)
- Kids and families (11)
- Robin Ames Foundation 100 Mile Solo RunSat, Dec 5 · 6:00 AM · 100 mile · San Clemente
- San Joaquin River Trail 10k/25k/50kSat, Dec 5 · 6:30 AM · 10K, 25K, 50K · S. Finegold Picnic Area, Friant
- Seasons Greetings 5k, 10k, 15k, Half MarathonSat, Dec 5 · 8:07 AM · half marathon, 5K, 10K, 15K · Long Beach, long beach
January 2027
84 events listed
- Los Angeles
- 67° / 48°
- Rain or snow 1 day in 6
- San Diego
- 67° / 46°
- Rain or snow 1 day in 4
- San Jose
- 59° / 43°
- Rain or snow 1 day in 3
- New Year's Day Dash – 5K, 10K, 10-Miler, Half MarathonFri, Jan 1 · 7:00 AM · half marathon, 5K, 10K, 10 mile · Long Beach
- Run In The New Year 5k/10K/Half MarathonFri, Jan 1 · 8:00 AM · half marathon, 5K, 10K · Huntington Beach
- The Coffee Cruise – 5K, 10K, 10-Miler, Half MarathonSun, Jan 3 · 7:00 AM · half marathon, 5K, 10K, 10 mile · Long Beach
February 2027
63 events listed
- Los Angeles
- 67° / 49°
- Rain or snow 1 day in 5
- San Diego
- 67° / 47°
- Rain or snow 1 day in 4
- San Jose
- 63° / 45°
- Rain or snow 1 day in 3
- Dalton Canyon UltraSat, Feb 6 · 6:00 AM · ultra · Glendora
- Run Your Heart Out – 5K, 10K, 10-Miler, Half MarathonSat, Feb 6 · 7:00 AM · half marathon, 5K, 10K, 10 mile · Long Beach
- Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow RunsSun, Feb 7 · 7:00 AM · half marathon, 5K, 10K · Long Beach
March 2027
65 events listed
- Los Angeles
- 68° / 51°
- Rain or snow 1 day in 7
- San Diego
- 69° / 50°
- Rain or snow 1 day in 4
- San Jose
- 66° / 48°
- Rain or snow 1 day in 3
- 2027 SFA Los Angeles Marathon TeamFri, Mar 5 · 7:00 AM · marathon · Los Angeles
- Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow RunsSat, Mar 6 · 7:00 AM · half marathon, 5K, 10K · Long Beach
- Bidwell Classic 5K, 10k and Half Marathon March 6th, 2027Sat, Mar 6 · 8:00 AM · half marathon, 5K, 10K · Sycamore Field, Chico
April 2027
10 events listed
- Los Angeles
- 71° / 53°
- Rain or snow 1 day in 17
- San Diego
- 71° / 52°
- Rain or snow 1 day in 6
- San Jose
- 70° / 50°
- Rain or snow 1 day in 5
May 2027
Nothing listed yet
- Los Angeles
- 72° / 57°
- Mostly dry
- San Diego
- 72° / 57°
- Rain or snow 1 day in 11
- San Jose
- 75° / 53°
- Rain or snow 1 day in 8
Listings for May are still coming in. Check back closer to the date.
June 2027
Nothing listed yet
- Los Angeles
- 75° / 60°
- Mostly dry
- San Diego
- 75° / 60°
- Mostly dry
- San Jose
- 80° / 57°
- Mostly dry
Listings for June are still coming in. Check back closer to the date.
July 2027
Nothing listed yet
- Los Angeles
- 78° / 63°
- Mostly dry
- San Diego
- 80° / 64°
- Mostly dry
- San Jose
- 82° / 59°
- Mostly dry
Listings for July are still coming in. Check back closer to the date.
August 2027
Nothing listed yet
- Los Angeles
- 79° / 64°
- Mostly dry
- San Diego
- 82° / 65°
- Mostly dry
- San Jose
- 83° / 60°
- Mostly dry
Listings for August are still coming in. Check back closer to the date.
September 2027
Nothing listed yet
- Los Angeles
- 78° / 62°
- Mostly dry
- San Diego
- 81° / 64°
- Rain or snow 1 day in 20
- San Jose
- 81° / 58°
- Mostly dry
Listings for September are still coming in. Check back closer to the date.
Typical weather is the NOAA 1991–2020 average at the nearest weather station to each city.
