Kelso, Washington Weather
Thimbleberry Sweetens. Day 90 of spring. Read this microseason across nine climate regions →
Kelso weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Partly Cloudy——73°50°—
- ThursdayJun 18Overcast——81°52°+8°
- FridayJun 19Overcast——84°51°+3°
- SaturdayJun 20Overcast——79°48°-5°
- SundayJun 21Clear——85°46°+6°
- MondayJun 22Partly Cloudy——91°51°+6°
- TuesdayJun 23Overcast——77°50°-14°
AQI 24 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 4.7 µg/m³ (AQI 26) with a 0.72 fine-to-coarse ratio and 1 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 4.7 µg/m³ (AQI 26) with a 0.72 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 7:55 AM
- Moonset
- 11:17 PM
- In sign
- ♋︎ Cancer
Thimbleberry Sweetens
Kelso at a glance
- Today vs. normal: 19°F below the seasonal normal for this latitude
- Last frost: May 23 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Kelso
- Wed73°50°0%
- Thu81°52°0%
- Fri84°51°0%
- Sat79°48°0%
- Sun85°46°0%
- Mon91°51°0%
- Tue77°50°0%
- Wed69°50°1%
- Thu74°50°5%
- Fri83°47°8%
- Sat91°55°3%
- Sun86°52°3%
- Mon79°50°3%
- Tue83°46°7%
- Wed76°48°5%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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.
ZIP codes in Kelso
- 98626
- 98632