La Grande weather live forecast

Today's maximum temperature in La Grande is expected to be 32°C. Select a day from the live weather forecast for La Grande, Oregon, USA for more weather parameters.

Tuesday
18th Aug
32

17

14

7
Wednesday
19th Aug
33

14

12

8
Thursday
20th Aug
35

16

13

8
Friday
21st Aug
35

18

5

5
Saturday
22nd Aug
30

16

7

7

5-day weather forecast updated at 04:00 on Tuesday 18th August 2026 GMT

More about La Grande

La Grande by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Oregon

Intrepid Travel discount code: £200 off small group tours

Discount Code

Save EXTRA £200 on select small group tours worldwide
Min spend of £1,500 per person. T&Cs apply
Travel before 30th June 2027 (inclusive)

Show discount code

******011

Redeem Intrepid Travel discount code >>

Expires at 23:59 on Monday 31st Aug 2026 · View all Intrepid Travel offers

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

La Grande weather forecast by day

Below are the detailed weather forecasts for La Grande for the next 5 days.

La Grande weather for Tuesday 18th August 2026

Expect clear skies in La Grande, Oregon with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

32
°C maximum temperature
17
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from NW

La Grande weather for Wednesday 19th August 2026

Expect clear skies in La Grande, Oregon with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

33
°C maximum temperature
14
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from W

La Grande weather for Thursday 20th August 2026

Expect scattered clouds in La Grande, Oregon with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

35
°C maximum temperature
16
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from NW

La Grande weather for Friday 21st August 2026

Expect broken clouds in La Grande, Oregon with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

35
°C maximum temperature
18
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from NW

La Grande weather for Saturday 22nd August 2026

Expect isolated thunderstorms in La Grande, Oregon with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a moderate breeze of 25 kph from the north-west.