# San Diego, CA weather forecast

Today in San Diego, Wed 28 Oct: high 74.1 °F, low 59.0 °F, the median of 9 free forecasts (7 for the low). Station: San Diego (KSAN). As of 2026-10-28T08:37Z.

| Day | High °F | Low °F | Source spread (highs) | Source spread (lows) | Forecasts | Rain chance | Rain in |
|---|---|---|---|---|---|---|---|
| Wed 28 Oct (rest of day) | 74.1 | 59.0 | 72.9–75.4 | 50.2–65.4 | 9 | <2% | 0.00 |
| Thu 29 Oct | 72.0 | 61.4 | 70.6–73.8 | 55.6–64.4 | 10 | 4% | 0.00 |
| Fri 30 Oct | 70.4 | 63.0 | 68.0–72.8 | 57.5–66.0 | 10 | 35% | 0.01 |
| Sat 31 Oct | 70.4 | 61.0 | 69.1–72.9 | 55.5–64.6 | 10 | 60% | 0.07 |
| Sun 1 Nov | 70.9 | 61.7 | 66.5–73.0 | 61.0–67.0 | 9 | 85% | 0.59 |
| Mon 2 Nov | 74.0 | 60.0 | 71.0–81.1 | 55.9–67.0 | 9 | 18% | 0.00 |
| Tue 3 Nov | 76.3 | 58.5 | 71.1–83.0 | 50.9–65.4 | 9 | 19% | 0.00 |

Rain today: 0.00 in so far at KSAN (hourly station reports to 12:51 am); rest of day <2% (n 3: ENS, GEFS, GEPS members' share, raw), 0.00 in. October: ≈ 0.14 in expected rest of month (<0.01–0.50).

Alerts: Coastal Flood Warning (NWS San Diego CA), until 1 pm Thu.

Weather markets here: Kalshi high and low. Station, rule and the number so far for each: https://groundhog.markets/p/san-diego#markets (API: https://groundhog.markets/api/v1/markets?place=san-diego).

Credits: NOAA/NWS (public domain); MET Norway, DWD, GeoNames (CC BY 4.0); ECCC (Open Licence); based on ECMWF data (CC BY 4.0; ECMWF accepts no liability); modified by groundhog. Full: groundhog.markets/credits
Page: https://groundhog.markets/p/san-diego