Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 9°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Wednesday
14th Jan
9

1

9

1
Thursday
15th Jan
10

1

8

1
Friday
16th Jan
4

-2

8

1
Saturday
17th Jan
7

-2

9

1
Sunday
18th Jan
6

-3

8

1

5-day weather forecast updated at 04:05 on Thursday 15th January 2026 GMT

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

Hamilton weather forecast by day

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

Hamilton weather for Wednesday 14th January 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

9
°C maximum temperature
1
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
12
kph wind from S

Hamilton weather for Thursday 15th January 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 10°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

10
°C maximum temperature
1
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from S

Hamilton weather for Friday 16th January 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 4°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

4
°C maximum temperature
-2
°C minimum temperature
clear skies
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
7
kph wind from S

Hamilton weather for Saturday 17th January 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 7°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

7
°C maximum temperature
-2
°C minimum temperature
clear skies
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
8
kph wind from S

Hamilton weather for Sunday 18th January 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.