Ruston, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Ruston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——73°55°—
- MondayJul 6Overcast——82°55°+9°
- TuesdayJul 7Overcast——83°51°+1°
- WednesdayJul 8Light Drizzle——75°57°-8°
- ThursdayJul 9Clear——80°48°+5°
- FridayJul 10Clear——80°52°0°
- SaturdayJul 11Overcast——84°54°+4°
AQI 20 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 6 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 9.8 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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
- 11:35 PM
- Moonset
- 11:26 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Ruston at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Ruston
- Sun73°55°0%
- Mon82°55°0%
- Tue83°51°0%
- Wed75°57°5%
- Thu80°48°1%
- Fri80°52°2%
- Sat84°54°4%
- Sun82°49°5%
- Mon89°51°4%
- Tue91°54°2%
- Wed89°59°1%
- Thu93°60°6%
- Fri90°60°0%
- Sat80°57°10%
- Sun88°54°3%
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
In Ruston, August runs warmest near 69°F and January coldest around 40°F, while January is the wettest month (7.2 inches) and July the driest (0.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 40° | 7.2″ | 22 |
| February | 41° | 5.3″ | 19 |
| March | 44° | 5.2″ | 22 |
| April | 49° | 3.6″ | 20 |
| May | 56° | 2.4″ | 19 |
| June | 61° | 1.9″ | 17 |
| July | 68° | 0.4″ | 7 |
| August | 69° | 0.7″ | 7 |
| September | 61° | 1.9″ | 13 |
| October | 53° | 5.3″ | 20 |
| November | 45° | 7.2″ | 23 |
| December | 40° | 6.9″ | 22 |
Frequently asked
- When does it freeze in Ruston?
- In Ruston, expect the last spring frost near mid-May; Ruston's first autumn frost comes around mid-October.
- What is the rainy season in Ruston?
- January is the wettest month in Ruston, about 7.2 inches on average; the year totals roughly 48 inches.
- What is the warmest month in Ruston?
- Ruston peaks in August, when the mean runs near 69°F.
- What is the coldest month in Ruston?
- January is Ruston's coldest month, averaging about 40°F.
- When can I start a vegetable garden in Ruston?
- In Ruston, sow peas and hardy greens around mid-May; Ruston's tomatoes and peppers wait two weeks more.
- How many rainy days does Ruston get?
- Expect roughly 213 wet days a year in Ruston.
- What hardiness zone is Ruston?
- Since January in Ruston averages 40°F, Ruston's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Ruston?
- Ruston'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 Ruston?
- See this week's day-by-day rain chances for Ruston in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Ruston?
- Current conditions for Ruston and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Ruston forecast updated?
- The Ruston forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Ruston?
- Today's sunrise and sunset times for Ruston 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 Ruston?
- The next few days in Ruston's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Ruston, Washington, the warm-summer Mediterranean climate runs from about 40°F in January to 68°F in July, a 28°F seasonal range.
Across the year, Ruston collects about 48 inches of precipitation over roughly 213 days with measurable rain or snow.
From 47.3°N, Ruston sees a 28°F seasonal swing that governs Ruston's planting and frost windows.
ZIP codes in Ruston
- 98407