Walla Walla, WA 99362 Monthly Weather

Walla Walla County12:12 AM PDT46.06°N, 118.33°W
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October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
176°/51°Avg 72°/49°
279°/51°Avg 71°/49°
381°/53°Avg 70°/48°
477°/51°Avg 70°/48°
584°/52°Avg 69°/48°
681°/52°Avg 69°/47°
778°/50°Avg 68°/47°
880°/50°Avg 68°/47°
976°/49°<0.01 inAvg 67°/46°
1059°/40°Avg 67°/46°
1153°/35°Avg 66°/46°
1255°/39°Avg 65°/45°
1362°/37°Avg 65°/45°
1469°/45°Avg 64°/44°
1568°/40°Avg 64°/44°
1671°/40°Avg 63°/44°
1770°/42°Avg 63°/43°
1865°/38°Avg 62°/43°
1961°/46°Avg 62°/43°
20Avg 61°/42°
21Avg 61°/42°
22 Rain Showers Likely 63°/40°Avg 60°/42°
23 Mostly Sunny 60°/33°Avg 60°/41°
24 Widespread Frost then Mostly Sunny 62°/37°Avg 59°/41°
25 Slight Chance Rain Showers 61°/35°Avg 59°/41°
26 Chance Rain Showers 59°/34°Avg 58°/40°
27 Slight Chance Rain Showers 58°/33°Avg 58°/40°
28 Slight Chance Rain Showers 57°/–Avg 57°/40°
29 Partly cloudy 57°/40°Avg 57°/40°
30 Cloudy 58°/44°Avg 56°/39°
31Avg 56°/39°
Average high71° (normal 67°)
Average low45° (normal 46°)
Warmest / coldest84° / 35°
Precipitation<0.01 in (normal 0.82 in to date)

Observed: Walla Walla Regional Ap, 5 km away, records since 1949. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.