Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 5°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Friday
26th Dec
5

1

2

1
Saturday
27th Dec
1

-7

2

1
Sunday
28th Dec
-2

-9

6

1
Monday
29th Dec
3

-7

6

1
Tuesday
30th Dec
3

-4

8

1

5-day weather forecast updated at 04:04 on Thursday 25th December 2025 GMT

More about Hamilton

Hamilton by month

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

Recommended for Montana

Love Holidays sale: up to £600 off holidays

Sale

Save up to £600 on selected holidays in 2026/2027
Book discounted holidays with 'Sale' label
Discounts varies by destination & holiday type. T&Cs apply

Go to Love Holidays deal >>

Expires at 23:59 on Sunday 8th Feb 2026 · View all Love Holidays 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 Friday 26th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 81% chance of some sleet or snow and a gentle breeze of 18 kph from the south.

5
°C maximum temperature
1
°C minimum temperature
cloudy with sleet or snow
2
hours of sunshine
1
UV index (Low)
81
% chance of some sleet or snow
<10
mm of sleet/snow expected
1
°C wind chill
18
kph wind from S

Hamilton weather for Saturday 27th December 2025

Expect mostly cloudy with snow in Hamilton, Montana with a maximum temperature of 1°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 cm of snow expected with 61% chance of some snow and a gentle breeze of 18 kph from the south-west.

1
°C maximum temperature
-7
°C minimum temperature
mostly cloudy with snow
2
hours of sunshine
1
UV index (Low)
61
% chance of some snow
<10
cm of snow expected
-4
°C wind chill
18
kph wind from SW

Hamilton weather for Sunday 28th December 2025

Expect clear skies with flurries of snow in Hamilton, Montana with a maximum temperature of -2°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 2% chance of some snow and a light breeze of 11 kph from the south.

-2
°C maximum temperature
-9
°C minimum temperature
clear skies with flurries of snow
6
hours of sunshine
1
UV index (Low)
2
% chance of some snow
<2
cm of snow expected
-6
°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 3°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

3
°C maximum temperature
-7
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
°C wind chill
9
kph wind from S

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 11 kph from the south.