Belfair, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Belfair weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——75°54°—
- MondayJul 6Overcast——85°53°+10°
- TuesdayJul 7Overcast——81°48°-4°
- WednesdayJul 8Light Drizzle——74°53°-7°
- ThursdayJul 9Mostly Clear——80°45°+6°
- FridayJul 10Overcast——71°50°-9°
- SaturdayJul 11Overcast——72°53°+1°
AQI 15 (Good), driven by Ozone. AQI down 12 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:37 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Belfair at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: May 31 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98528
16-Day Forecast — Belfair
- Sun76°53°3%
- Mon85°53°0%
- Tue81°48°2%
- Wed74°53°7%
- Thu80°45°2%
- Fri71°50°3%
- Sat72°53°7%
- Sun60°50°5%
- Mon81°54°4%
- Tue86°56°4%
- Wed84°56°2%
- Thu89°55°10%
- Fri92°56°7%
- Sat90°55°0%
- Sun82°54°0%
- Mon82°50°7%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · July 1–5
Fireweed Ignites
Magenta fireweed spires surge from burned and cleared slopes, their blooms climbing from base upward. July's signature color claims the disturbed ground.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Belfair peaks at about 66°F in August and bottoms near 40°F in December; December brings the heaviest rain (9.9 inches) and July the least (0.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 41° | 9.3″ | 14 |
| February | 42° | 5.8″ | 10 |
| March | 46° | 6.4″ | 12 |
| April | 50° | 3.9″ | 9 |
| May | 56° | 2.4″ | 6 |
| June | 61° | 1.6″ | 5 |
| July | 66° | 0.8″ | 2 |
| August | 66° | 1.1″ | 2 |
| September | 62° | 1.8″ | 5 |
| October | 53° | 5.1″ | 9 |
| November | 45° | 8.8″ | 13 |
| December | 40° | 9.9″ | 14 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Belfair sees 41°F Januarys and 66°F Julys, a 24°F range, plus around 56.9 inches of precipitation across 102 days.
Precipitation in Belfair peaks in the cool season: December averages 9.9 inches across 13.6 storm-fed days, while July bottoms out at 0.8 inches over just 2.3 rainy days. That groups Belfair with places like Allyn, WA, Vaughn, WA and Stansberry Lake, WA on the same cool-season storm track.
By late-May the frosts ease in Belfair, opening the season for peas, lettuce, spinach, and radishes. Warm-soil crops in Belfair wait about two weeks past Belfair's last frost, once the soil warms. Belfair's window closes around early-October as overnight lows return below freezing. In Belfair, low spots run 4-7°F colder than nearby slopes, nudging Belfair's frost dates a week.
Similar climates: Allyn, WA, Vaughn, WA, Stansberry Lake, WA, Grapeview, WA, Gorst, WA.
Frequently asked
- When does it freeze in Belfair?
- Frost typically leaves Belfair by mid-May and returns to Belfair near mid-October.
- What is the rainy season in Belfair?
- Belfair sees its heaviest rain in December (around 9.9 inches), part of roughly 57 inches a year.
- What is the warmest month in Belfair?
- On average August tops the year in Belfair at about 66°F.
- What is the coldest month in Belfair?
- The coldest stretch in Belfair falls in December, around 40°F on average.
- When can I start a vegetable garden in Belfair?
- Around mid-May, start frost-hardy crops in Belfair; tomatoes and basil belong a fortnight later.
- How many rainy days does Belfair get?
- Belfair averages about 102 days with measurable rain or snow each year.
- What hardiness zone is Belfair?
- With December around 40°F, Belfair's zone reflects that minimum — the USDA ZIP map confirms Belfair's band.
- What is the 10-day forecast for Belfair?
- Belfair's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Belfair?
- See this week's day-by-day rain chances for Belfair in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Belfair?
- Current conditions for Belfair and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Belfair forecast updated?
- The Belfair forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Belfair?
- Today's sunrise and sunset times for Belfair are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Belfair?
- The next few days in Belfair's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Belfair, Washington, the warm-summer Mediterranean climate runs from about 41°F in January to 66°F in July, a 25°F seasonal range.
Rain and snow bring Belfair roughly 57 inches a year across approximately 102 measurable-precipitation days.
Belfair's 25°F range, set by its 47.4°N position, drives frost timing and what thrives in Belfair.
ZIP codes in Belfair
- 98528