Belfair, WA Weather & Growing Conditions
Today
56°F
Patchy Fog then Light Rain
Patchy fog before 10am, then rain. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. South southwest wind 2 to 12 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Patchy Fog then Light Rain | 2 to 12 mph SSW | 87% |
| Tonight | 42°F | Light Rain then Mostly Cloudy | 10 to 17 mph SSW | 97% |
| Thursday | 56°F | Mostly Sunny | 13 mph SSW | 5% |
| Thursday Night | 41°F | Light Rain | 10 mph SSW | 91% |
| Friday | 54°F | Light Rain | 8 to 16 mph SSW | 91% |
| Friday Night | 44°F | Light Rain Likely | 2 to 8 mph SSW | 74% |
| Saturday | 60°F | Light Rain Likely | 2 to 7 mph SSW | 57% |
| Saturday Night | 46°F | Light Rain | 7 to 21 mph SSW | 86% |
| Sunday | 55°F | Light Rain Likely | 8 to 16 mph SSW | 63% |
| Sunday Night | 38°F | Slight Chance Light Rain | 2 to 8 mph WNW | 15% |
| Monday | 54°F | Chance Light Rain | 2 to 6 mph ESE | 48% |
| Monday Night | 42°F | Light Rain Likely | 6 to 9 mph SSW | 66% |
| Tuesday | 56°F | Light Rain Likely | 8 to 12 mph SSW | 66% |
| Tuesday Night | 44°F | Light Rain Likely | 5 to 10 mph SSW | 57% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Belfair, WA
Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
227 days
Hardiness zone
8b
Explore more for Belfair, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Bremerton, Wa (13 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.