Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 11°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Wednesday
15th Apr
11

-1

0

3
Thursday
16th Apr
5

-3

2

3
Friday
17th Apr
9

-2

7

6
Saturday
18th Apr
16

-5

4

7
Sunday
19th Apr
21

-1

12

7

5-day weather forecast updated at 04:03 on Thursday 16th April 2026 GMT

More about Hamilton

Hamilton by month

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

Recommended for Montana

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 15th April 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 100% chance of some sleet or snow and a gentle breeze of 19 kph from the south.

11
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
3
UV index (Moderate)
100
% chance of some sleet or snow
<5
mm of sleet/snow expected
0
no heat & humidity
19
kph wind from S

Hamilton weather for Thursday 16th April 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 5°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

5
°C maximum temperature
-3
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
1
°C wind chill
19
kph wind from W

Hamilton weather for Friday 17th April 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 9°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

9
°C maximum temperature
-2
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
6
°C wind chill
14
kph wind from W

Hamilton weather for Saturday 18th April 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 16°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

16
°C maximum temperature
-5
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
16
°C wind chill
11
kph wind from S

Hamilton weather for Sunday 19th April 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 21°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.