Fern Prairie, Washington Weather
Rufous Hummingbirds Arrive. Day 77 of spring. Read this microseason across nine climate regions →
Fern Prairie weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast20%—70°57°—
- ThursdayJun 4Light Drizzle—0.02″65°52°-5°
- FridayJun 5Light Drizzle33%—58°49°-7°
- SaturdayJun 6Light Showers83%0.08″56°43°-2°
- SundayJun 7Light Drizzle——67°40°+11°
- MondayJun 8Light Showers61%0.91″55°46°-12°
- TuesdayJun 9Light Drizzle55%0.08″58°47°+3°
AQI 28 (Good), driven by Ozone. AQI projected to ease from current levels toward 47 over the next 6 hours.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 7:01 AM
- Moonset
- 3:59 PM
- In sign
- ♑︎ Capricorn
Rufous Hummingbirds Arrive
Fern Prairie at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: May 20 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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.
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
Fern Prairie's warmest month is August (~69°F mean) and its coldest is January (~41°F). Rainfall peaks in December (6.1 inches) and bottoms out in July (0.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 41° | 5.3″ | 13 |
| February | 43° | 3.8″ | 10 |
| March | 47° | 4.0″ | 11 |
| April | 52° | 2.9″ | 8 |
| May | 58° | 2.5″ | 7 |
| June | 63° | 1.6″ | 5 |
| July | 69° | 0.4″ | 1 |
| August | 69° | 0.5″ | 2 |
| September | 64° | 1.4″ | 4 |
| October | 54° | 3.4″ | 8 |
| November | 46° | 5.5″ | 12 |
| December | 41° | 6.1″ | 13 |
Frequently asked
- When does it freeze in Fern Prairie?
- Fern Prairie's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Fern Prairie?
- December is the wettest month with about 6.1 inches of rain on average; the city receives roughly 37 inches annually.
- What is the warmest month in Fern Prairie?
- August is typically warmest, averaging about 69°F.
- What is the coldest month in Fern Prairie?
- January is typically coldest, averaging about 41°F.
- When can I start a vegetable garden in Fern Prairie?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Fern Prairie get?
- Fern Prairie averages about 94 rainy days per year.
- What hardiness zone is Fern Prairie?
- Fern Prairie's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Fern Prairie, Washington sits in a warm-summer Mediterranean climate zone. January means hover near 41°F while July averages 69°F — a 28°F seasonal swing.
Across the year, Fern Prairie receives about 37 inches of precipitation spread over roughly 94 rainy days.
The rhythm of the year is set by latitude (45.6°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.