Mattawa, Washington Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Mattawa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——97°65°—
- TuesdayJun 16Overcast——88°67°-9°
- WednesdayJun 17Clear——86°56°-2°
- ThursdayJun 18Overcast——90°62°+4°
- FridayJun 19Overcast——96°69°+6°
- SaturdayJun 20Overcast——93°67°-3°
- SundayJun 21Partly Cloudy——89°57°-4°
AQI 44 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 7.6 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
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 7.6 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.78
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 5:04 AM
- Moonset
- 9:25 PM
- In sign
- ♊︎ Gemini
Paintbrush crowns the ridges
Mattawa at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 26 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Mattawa
- Mon97°65°2%
- Tue88°67°2%
- Wed86°56°0%
- Thu90°62°0%
- Fri96°69°0%
- Sat93°67°0%
- Sun89°57°1%
- Mon87°61°1%
- Tue90°64°2%
- Wed79°57°1%
- Thu74°53°2%
- Fri82°52°10%
- Sat91°61°3%
- Sun99°72°3%
- Mon99°73°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 15, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
ZIP codes in Mattawa
- 99349