Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 43°F. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Monday
12th Oct
43

32

1

3
Tuesday
13th Oct
48

25

9

4
Wednesday
14th Oct
55

28

7

3
Thursday
15th Oct
59

32

11

4
Friday
16th Oct
66

32

11

4

5-day weather forecast updated at 04:02 on Tuesday 13th October 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 Monday 12th October 2026

Expect mostly cloudy with light snow in Hamilton, Montana with a maximum temperature of 43°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 cm of snow expected and a light breeze of 6 mph from the north-east.

43
°F maximum temperature
32
°F minimum temperature
mostly cloudy with light snow
1
hour of sunshine
3
UV index (Moderate)
<2
cm of snow expected
39
°F wind chill
6
mph wind from NE

Hamilton weather for Tuesday 13th October 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 48°F, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

48
°F maximum temperature
25
°F minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
48
°F wind chill
4
mph wind from S

Hamilton weather for Wednesday 14th October 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south.

55
°F maximum temperature
28
°F minimum temperature
scattered clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
55
°F wind chill
4
mph wind from S

Hamilton weather for Thursday 15th October 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 59°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

59
°F maximum temperature
32
°F minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
59
°F wind chill
4
mph wind from S

Hamilton weather for Friday 16th October 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 66°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.