Walla Walla weather live forecast

Today's maximum temperature in Walla Walla is expected to be 21°C. Select a day from the live weather forecast for Walla Walla, Washington State, USA for more weather parameters.

Saturday
5th Sep
21

11

7

5
Sunday
6th Sep
19

11

4

4
Monday
7th Sep
21

13

2

5
Tuesday
8th Sep
26

11

12

6
Wednesday
9th Sep
29

11

13

4

5-day weather forecast updated at 04:00 on Saturday 5th September 2026 GMT

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The 5-day weather forecast for Washington State (Walla Walla) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Walla Walla weather forecast by day

Below are the detailed weather forecasts for Walla Walla for the next 5 days.

Walla Walla weather for Saturday 5th September 2026

Expect sunshine and showers in Walla Walla, Washington State with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a light breeze of 11 kph from the south-east.

21
°C maximum temperature
11
°C minimum temperature
sunshine and showers
7
hours of sunshine
5
UV index (Moderate)
26
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
11
kph wind from SE

Walla Walla weather for Sunday 6th September 2026

Expect mostly cloudy with rain in Walla Walla, Washington State with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 13 kph from the west.

19
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
4
UV index (Moderate)
48
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
13
kph wind from W

Walla Walla weather for Monday 7th September 2026

Expect mostly cloudy with light rain in Walla Walla, Washington State with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 21 kph from the south-west.

21
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
5
UV index (Moderate)
43
% chance of some rain
<5
mm of rainfall expected
21
°C wind chill
21
kph wind from SW

Walla Walla weather for Tuesday 8th September 2026

Expect clear skies in Walla Walla, Washington State with a maximum temperature of 26°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

26
°C maximum temperature
11
°C minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
26
°C wind chill
13
kph wind from SE

Walla Walla weather for Wednesday 9th September 2026

Expect clear skies in Walla Walla, Washington State with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.