# Seattle, WA weather forecast

Tomorrow in Seattle, Wed 28 Oct: high 52.9 °F, low 44.7 °F, the median of 10 free forecasts (9 for the low). Station: Seattle-Tacoma Intl (KSEA). As of 2026-10-28T04:10Z.

| Day | High °F | Low °F | Source spread (highs) | Source spread (lows) | Forecasts | Rain chance | Rain in |
|---|---|---|---|---|---|---|---|
| Wed 28 Oct | 52.9 | 44.7 | 50.7–53.5 | 43.6–47.7 | 10 | 95% | 0.10 |
| Thu 29 Oct | 52.7 | 41.2 | 48.2–54.9 | 34.5–43.7 | 10 | 54% | 0.02 |
| Fri 30 Oct | 51.4 | 40.9 | 45.9–55.0 | 37.7–45.8 | 10 | 73% | 0.13 |
| Sat 31 Oct | 52.2 | 38.5 | 50.0–55.0 | 32.1–43.1 | 10 | 37% | 0.00 |
| Sun 1 Nov | 52.4 | 40.0 | 50.0–54.0 | 36.8–45.5 | 9 | 27% | 0.00 |
| Mon 2 Nov | 54.8 | 40.0 | 50.0–56.1 | 31.1–46.9 | 9 | 14% | 0.00 |
| Tue 3 Nov | 56.5 | 41.7 | 52.8–58.1 | 38.6–48.7 | 8 | 19% | 0.00 |

Rain today: T (trace) so far at KSEA (hourly station reports to 8:53 pm); rest of day 76% (n 3: ENS, GEFS, GEPS members' share, raw), 0.03 in. October to date: 0.25 in (NWS climate reports (CLI) through Oct 26); ≈ 0.57 in expected rest of month (0.26–1.35).

Alerts: none (NWS).

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

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/seattle