Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be -1°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Sunday
28th Dec
-1

-12

7

1
Monday
29th Dec
1

-8

7

1
Tuesday
30th Dec
3

-3

8

1
Wednesday
31st Dec
6

-2

9

1
Thursday
1st Jan
5

-1

8

1

5-day weather forecast updated at 04:04 on Monday 29th December 2025 GMT

More about Hamilton

Hamilton by month

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

Recommended for Montana

Travelbag: up to 50% off 2026 holidays

Sale

Save up to 50% on 2026 holidays & tours with Travelbag
Book selected stays in popular destinations around the world
Travel between 1st Jan & 31st Dec 2026 (inclusive)

Go to Travelbag deal >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers

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 Sunday 28th December 2025

Expect scattered clouds in Hamilton, Montana with a maximum temperature of -1°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the south.

-1
°C maximum temperature
-12
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-5
°C wind chill
11
kph wind from S

Hamilton weather for Monday 29th December 2025

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

1
°C maximum temperature
-8
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
8
kph wind from SE

Hamilton weather for Tuesday 30th December 2025

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

3
°C maximum temperature
-3
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
8
kph wind from S

Hamilton weather for Wednesday 31st December 2025

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 6°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.

6
°C maximum temperature
-2
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
8
kph wind from S

Hamilton weather for Thursday 1st January 2026

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 7 kph from the south.