Walla Walla, Washington Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Walla Walla weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——89°62°—
- SundayJul 5Overcast——90°62°+1°
- MondayJul 6Overcast——98°65°+8°
- TuesdayJul 7Overcast——101°69°+3°
- WednesdayJul 8Overcast——88°66°-13°
- ThursdayJul 9Clear——89°60°+1°
- FridayJul 10Clear——98°63°+9°
AQI 34 (Good), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 49 now. With UV 9.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 60 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 49 now. With UV 9.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 60 around 1 PM.
- Present
- AQI 49
- UV peak
- 9.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 60
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
- 10:58 PM
- Moonset
- 9:58 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Walla Walla at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: May 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 99362
16-Day Forecast — Walla Walla
- Sat89°62°0%
- Sun90°62°0%
- Mon98°65°4%
- Tue101°69°4%
- Wed88°66°1%
- Thu89°60°0%
- Fri98°63°0%
- Sat102°69°2%
- Sun103°72°2%
- Mon108°81°4%
- Tue108°80°9%
- Wed100°72°6%
- Thu109°70°6%
- Fri114°76°3%
- Sat121°81°7%
- Sun123°86°5%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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.
ZIP codes in Walla Walla
- 99362