Brush Prairie, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Brush Prairie weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——81°52°—
- MondayJul 6Overcast——86°56°+5°
- TuesdayJul 7Overcast——81°49°-5°
- WednesdayJul 8Overcast——75°54°-6°
- ThursdayJul 9Overcast——80°47°+5°
- FridayJul 10Overcast——79°46°-1°
- SaturdayJul 11Overcast——76°54°-3°
AQI 31 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.87 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.87 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:34 PM
- Moonset
- 11:26 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Brush Prairie at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: May 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98606
16-Day Forecast — Brush Prairie
- Sun81°52°0%
- Mon86°56°0%
- Tue81°49°0%
- Wed75°54°1%
- Thu80°47°0%
- Fri79°46°1%
- Sat76°54°3%
- Sun84°46°1%
- Mon88°53°2%
- Tue89°56°2%
- Wed88°54°1%
- Thu90°56°6%
- Fri91°55°3%
- Sat89°54°3%
- Sun84°53°3%
- Mon80°46°6%
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
The year in Brush Prairie tops out in August (~68°F) and dips lowest in January (~38°F), with November wettest at 11.1 inches and July driest at 0.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 38° | 10.8″ | 23 |
| February | 41° | 8.2″ | 20 |
| March | 44° | 8.7″ | 23 |
| April | 49° | 5.8″ | 21 |
| May | 56° | 4.0″ | 18 |
| June | 61° | 2.7″ | 15 |
| July | 67° | 0.5″ | 7 |
| August | 68° | 0.9″ | 7 |
| September | 62° | 3.2″ | 12 |
| October | 53° | 9.1″ | 18 |
| November | 44° | 11.1″ | 23 |
| December | 38° | 11.0″ | 23 |
Regional context
In Brush Prairie, NOAA NCEI 1991-2020 normals put January near 38°F and July near 67°F — a 29°F seasonal arc — with about 76.1 inches of precipitation over 210 rainy or snowy days.
Brush Prairie's moisture rides winter storm tracks: November brings 11.1 inches over 22.6 wet days, while July sees only 0.5 inches across 6.5 days in the dry warm season. That cool-season-wet pattern aligns Brush Prairie with places like Meadow Glade, WA, Orchards, WA and Five Corners, WA.
Once Brush Prairie passes late-May, overnight freezes fade and peas, lettuce, spinach, and radishes can be sown. Tomatoes and peppers do best set out two weeks later in Brush Prairie, once nights clear the mid-40s°F. Frost returns to Brush Prairie near early-October, ending the tender-crop season. A creek-bottom lot in Brush Prairie can lag Brush Prairie's last frost 7-10 days behind a south slope.
Similar climates: Meadow Glade, WA, Orchards, WA, Five Corners, WA, Barberton, WA, Hockinson, WA.
Frequently asked
- When does it freeze in Brush Prairie?
- Frost typically leaves Brush Prairie by mid-May and returns to Brush Prairie near mid-October.
- What is the rainy season in Brush Prairie?
- Brush Prairie sees its heaviest rain in November (around 11.1 inches), part of roughly 76 inches a year.
- What is the warmest month in Brush Prairie?
- August is Brush Prairie's warmest month, averaging about 68°F.
- What is the coldest month in Brush Prairie?
- Brush Prairie bottoms out in January, with a mean near 38°F.
- When can I start a vegetable garden in Brush Prairie?
- Frost-hardy sowings begin at mid-May in Brush Prairie; warm-season starts follow two weeks on.
- How many rainy days does Brush Prairie get?
- Expect roughly 210 wet days a year in Brush Prairie.
- What hardiness zone is Brush Prairie?
- Brush Prairie's hardiness zone tracks its winter low; with January near 38°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Brush Prairie?
- Brush Prairie'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 Brush Prairie?
- See this week's day-by-day rain chances for Brush Prairie in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Brush Prairie?
- Current conditions for Brush Prairie and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Brush Prairie forecast updated?
- The Brush Prairie forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Brush Prairie?
- Today's sunrise and sunset times for Brush Prairie 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 Brush Prairie?
- The next few days in Brush Prairie's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Brush Prairie, Washington occupies a warm-summer Mediterranean zone, with January means near 38°F and July around 67°F — a 29°F swing.
In a typical year Brush Prairie records about 76 inches of precipitation on around 210 days.
The 29°F gap between Brush Prairie's summer and winter, at 45.7°N, shapes Brush Prairie's frost calendar.
ZIP codes in Brush Prairie
- 98606
- 98662