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WeatherLiveMontanaHamilton

Hamilton, MT Weather (59840)

Current WeatherHamilton · 6:02 PM MDT
88° | 58°
88°F
Feels like 79°
Sunny
WindW 11 mph · Gusts 19 mph
Precip3% · –
Humidity17% · Dew point 38°
UV index7 High
Air Quality83 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:39 AM · 8:41 PM · 14h 2m

Weather map — Hamilton

Full radar →
Now
86°
0%
11 mph
19:00
83°
0%
8 mph
20:00
78°
0%
4 mph
21:00
75°
0%
6 mph
22:00
72°
0%
6 mph
23:00
68°
1%
6 mph
00:00
67°
1%
6 mph
01:00
66°
1%
6 mph
02:00
64°
1%
6 mph
03:00
61°
1%
6 mph
04:00
55°
1%
6 mph
05:00
55°
1%
5 mph
06:00
54°
1%
5 mph
07:00
54°
1%
5 mph
08:00
59°
1%
4 mph
09:00
66°
1%
3 mph
10:00
71°
1%
4 mph
11:00
75°
0%
3 mph
12:00
79°
1%
2 mph
13:00
80°
1%
5 mph
14:00
81°
8%
8 mph
15:00
81°
9%
8 mph
16:00
81°
9%
8 mph
17:00
81°
4%
7 mph

Today · Tue 8/18

High 88°
3% / –

Sunny. Winds W at 11 mph.

Tonight · Tue 8/18

Low 54°
0% / –

Sunny. Winds W at 6 mph.

Tomorrow · Wed 8/19

81° | 54°
2% / –

Sunny. Winds W at 8 mph.

7-day trend

Hamilton · temperature + precipitation

10-day forecast

Updated 6:02 PM

Details & indices

Wind
11 mph W
Gusts 19 mph
Humidity
17%
Dew point 38°
Pressure
29.91 inHg
Rising
UV index
7 — High
High today
Air Quality
Moderate
AQI 83 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Hamilton

🌿 Conditions right now

View all →
Birch
None
Grass
Very high
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
None

Sun & moon

Sunrise6:39 AM
Sunset8:41 PM
Length of day14h 2m
Moonrise1:47 PM
Moonset10:56 PM
Next full moonAug 27 Sturgeon Moon
Latitude46.2469°N
Longitude-114.1604°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Data sources · Tuesday, August 18
Where the Hamilton forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 46.2469°N, -114.1604°.
NBM + global weather models
Updated: 6:02 PM
ZIP codes in Hamilton
📮
59827
Hamilton
📮
59828
Hamilton
📮
59829
Hamilton
📮
59835
Hamilton
📮
59840
Hamilton
📮
59841
Hamilton
📮
59871
Hamilton
Weather in Hamilton
Hamilton's outlook: warmest day near 93° (Friday), coldest night about 54° (Wednesday). The gauge should stay near zero — no meaningful precipitation is expected. Expect a blustery spell — gusts near 28 mph on Saturday. The NWS alert board for this area is currently clear. Right now Hamilton is running about 23° warmer than Spokane. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Hamilton, MT · Elev 3,570 ft · 46.25°N, 114.16°W · Montana · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 6:02 PM