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Walla Walla weather forecast

Washington, United States · Los_Angeles time · 46.06°, -118.34°

Current conditions · 9:45 PM local

Current conditions in Walla Walla

73°F

Clear sky

Feels like 61°F

Humidity
34%
Wind
3 mph SW
Gusts
3 mph
UV index
0
Visibility
34.6 mi

Right now

Right now in Walla Walla, it's clear sky with the temperature at 23 °C. It feels colder than it reads, more like 21 °C. Wind is from the SW at 5 km/h. Humidity stands at 29% with sea-level pressure near 1012 hPa.

At a glance

Today

87° / 59°

Overcast

Tomorrow

89° / 62°

Overcast

Upcoming · to Saturday

96° / 57°

A steady stretch: highs near 96°, lows around 57°, and no day above a 46% rain chance through Saturday.

Next 3 days

Today looks like overcast; temperatures run from 15 °C up to 30 °C. Tomorrow brings overcast with a high of 31 °C and a low of 17 °C. Tuesday looks like overcast; temperatures run from 18 °C up to 33 °C.

Today

Sun, Jun 21

Overcast

87°59°

Rain chance
0%
Precip
0 in
Max wind
8 mph

Tomorrow

Mon, Jun 22

Overcast

89°62°

Rain chance
0%
Precip
0 in
Max wind
9 mph

Tuesday

Tue, Jun 23

Overcast

91°64°

Rain chance
0%
Precip
0 in
Max wind
12 mph

Next 48 hours

  1. 12 AM67°0%8 mph
  2. 1 AM64°0%7 mph
  3. 2 AM62°0%7 mph
  4. 3 AM60°0%8 mph
  5. 4 AM60°0%7 mph
  6. 5 AM59°0%7 mph
  7. 6 AM60°0%6 mph
  8. 7 AM63°0%8 mph
  9. 8 AM66°0%8 mph
  10. 9 AM70°0%8 mph
  11. 10 AM73°0%7 mph
  12. 11 AM75°0%6 mph
  13. 12 PM78°0%5 mph
  14. 1 PM80°0%6 mph
  15. 2 PM82°0%5 mph
  16. 3 PM84°0%3 mph
  17. 4 PM87°0%1 mph
  18. 5 PM85°0%3 mph
  19. 6 PM85°0%4 mph
  20. 7 PM84°0%5 mph
  21. 8 PM82°0%4 mph
  22. 9 PM76°0%4 mph
  23. 10 PM72°0%3 mph
  24. 11 PM69°0%6 mph
  25. 12 AM68°0%6 mph
  26. 1 AM67°0%6 mph
  27. 2 AM67°0%3 mph
  28. 3 AM65°0%5 mph
  29. 4 AM62°0%5 mph
  30. 5 AM62°0%6 mph
  31. 6 AM63°0%5 mph
  32. 7 AM68°0%4 mph
  33. 8 AM71°0%6 mph
  34. 9 AM73°0%4 mph
  35. 10 AM76°0%2 mph
  36. 11 AM80°0%3 mph
  37. 12 PM84°0%5 mph
  38. 1 PM87°0%6 mph
  39. 2 PM87°0%7 mph
  40. 3 PM88°0%9 mph
  41. 4 PM89°0%9 mph
  42. 5 PM88°0%2 mph
  43. 6 PM88°0%4 mph
  44. 7 PM87°0%7 mph
  45. 8 PM83°0%5 mph
  46. 9 PM77°0%6 mph
  47. 10 PM74°0%8 mph
  48. 11 PM73°0%8 mph

In depth

The weather picture for Walla Walla opens with clear sky; it's 23 °C out, feeling like 21 °C. Today's forecast calls for overcast, topping out near 30 °C before falling back to 15 °C overnight. Winds blow mainly from the SSW around 13 km/h, with gusts up to 28 km/h. Highs ease downward through the week, ranging 24 to 36 °C. Rain is in the picture on Friday, with roughly 2 mm expected in total across the week. Tomorrow brings overcast with a high of 31 °C and a 0% chance of precipitation. The UV index reaches 8 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:02 and sunset at 20:47, giving 15.8 hours of daylight. Current humidity sits at 29% with pressure near 1012 hPa. Looking further out, Thursday shows overcast with a high around 30 °C, while Saturday ends the week at 24 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.

Air quality

45

Good

US AQI · European AQI 35

Air quality in Walla Walla is currently good, with a US AQI of 45 (European AQI 35). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 4.8 µg/m³.

Pollutants

PM2.5
4.8 µg/m³
PM10
5.9 µg/m³
Ozone (O₃)
88 µg/m³
NO₂
4.3 µg/m³
SO₂
0.3 µg/m³
CO
121 µg/m³
Dust
1 µg/m³

Sun & UV

Sunrise
5:02 AM
Sunset
8:47 PM
Daylight
15h 46m
Max UV
7.55 High

Wind

Wind
3 mph
Gusts
3 mph
Direction
SW (225°)

Farming weather

Soil temperatures today read surface 15.7 °C, 6 cm 21.4 °C, 18 cm 23.1 °C, 54 cm 19.7 °C. Soil moisture sits at 0-1 cm at 0.04 m³/m³, 3-9 cm at 0.1 m³/m³, 27-81 cm at 0.21 m³/m³. For maize, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 53 mm against only 2 mm of expected rain — a 51 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Heat stress is likely for maize with highs reaching 36 °C (threshold 35 °C). Heat stress is likely for wheat with highs reaching 36 °C (threshold 32 °C). Projected growing degree days over the next week: maize 92, wheat 131.

Topsoil moisture
0.041 m³/m³
Soil temp
62°F
ET₀ today
6.85 mm
Spray window
~5:00
Rain (next 7d)
0.1 in
Wind
3 mph
Humidity
34%

Full farming outlook for Walla Walla →

Advisory summary

No weather alert thresholds are crossed for Walla Walla in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.

All data for Walla Walla
Every forecast variable for Walla Walla with human-readable labels
VariableValue
CityWalla Walla, Washington, United States
Coordinates46.06458, -118.34302
Elevation287 m
TimezoneAmerica/Los_Angeles
Population32,237
Observed at (local)9:45 PM
Temperature (2 m)73°F
Apparent temperature61°F
Relative humidity (2 m)34%
Dew point (2 m)37°F
Precipitation (last hour)0 in
Rain0 in
Showers0 in
Snowfall0 in
Weather code (WMO)0
Cloud cover0%
Surface pressure28.9 inHg
Sea-level pressure29.9 inHg
Wind speed (10 m)3 mph
Wind gusts (10 m)3 mph
Wind direction (10 m)225° (SW)
Visibility34.6 mi
UV index0
Day / nightNight
Today max / min87°F / 59°F
Today feels-like max / min88°F / 53°F
Today precipitation sum0 in
Today rain sum0 in
Today snowfall sum0 in
Today max precip probability0%
Today max wind / gusts8 mph / 18 mph
Dominant wind direction210° (SSW)
Sunrise / sunset5:02 AM / 8:47 PM
Daylight duration15h 46m
Sunshine duration15h 20m
Max UV index7.55
Reference evapotranspiration (ET₀)6.85 mm
Topsoil moisture (0–1 cm)0.041 m³/m³
Surface soil temperature62°F
US AQI45
European AQI35
PM2.54.8 µg/m³
PM105.9 µg/m³
Ozone (O₃)88 µg/m³
Nitrogen dioxide (NO₂)4.3 µg/m³
Sulphur dioxide (SO₂)0.3 µg/m³
Carbon monoxide (CO)121 µg/m³
Dust1 µg/m³

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Frequently asked questions

Will it rain in Walla Walla tomorrow?

Rain is unlikely in Walla Walla tomorrow; the precipitation chance stays around 0%.

What is the temperature in Walla Walla today?

Today Walla Walla sees overcast with a high of 30 °C and a low of 15 °C.

How hot will it be in Walla Walla tomorrow?

Tomorrow's high in Walla Walla is forecast at 31 °C with overcast.

Is it windy in Walla Walla today?

No, not especially; gusts only reach up to 28 km/h today.

What is the UV index in Walla Walla today?

The UV index peaks at 8 today, which is high.

What time is sunrise and sunset in Walla Walla today?

The sun rises at 05:02 and sets at 20:47 local time.

Is the air quality in Walla Walla good today?

Air quality is good right now, with a US AQI reading of 45.