West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 19°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Wednesday
30th Sep
19

3

9

5
Thursday
1st Oct
18

3

9

5
Friday
2nd Oct
19

1

7

5
Saturday
3rd Oct
20

2

9

4
Sunday
4th Oct
21

1

12

5

5-day weather forecast updated at 04:03 on Wednesday 30th September 2026 GMT

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

West Yellowstone weather forecast by day

Below are the detailed weather forecasts for West Yellowstone for the next 5 days.

West Yellowstone weather for Wednesday 30th September 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.

19
°C maximum temperature
3
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from W

West Yellowstone weather for Thursday 1st October 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

18
°C maximum temperature
3
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
13
kph wind from SW

West Yellowstone weather for Friday 2nd October 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

19
°C maximum temperature
1
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
15
kph wind from SW

West Yellowstone weather for Saturday 3rd October 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

20
°C maximum temperature
2
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
6
kph wind from NE

West Yellowstone weather for Sunday 4th October 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.