weathermetro
Cities / United States
/ Montana
☀️ Grantsdale weather
Clear sky. .
Feels like 15° Wind 2 km/h N Humidity 48% Pressure 1015 hPa UV 6 Air Good ☀ 06:41 - 20:38
Right now it is 16° in Grantsdale with clear skies and today's high is 30° with an overnight low of 12° . The sun rises at 06:41 and sets at 20:38, giving 13h 57m of daylight. Over the coming week highs range from 29° to 35° .
Grantsdale is in Montana, United States, sitting 1,120 m above sea level. Local time is America/Denver (UTC−6), and every time on this page is shown in it.
Next 24 hours - temperature
15°
23°
30°
30°
16°
09:00 · 15.5° · 0 mm
10:00 · 19.2° · 0 mm
11:00 · 23° · 0 mm
12:00 · 25.5° · 0 mm
13:00 · 27° · 0 mm
14:00 · 28.1° · 0 mm
15:00 · 28.9° · 0 mm
16:00 · 29.5° · 0 mm
17:00 · 30° · 0 mm
18:00 · 29.7° · 0 mm
19:00 · 28.5° · 0 mm
20:00 · 26.1° · 0 mm
21:00 · 23.4° · 0 mm
22:00 · 22.4° · 0 mm
23:00 · 21.6° · 0 mm
00:00 · 20.6° · 0 mm
01:00 · 19.5° · 0 mm
02:00 · 18.8° · 0 mm
03:00 · 18.4° · 0 mm
04:00 · 17.9° · 0 mm
05:00 · 17.6° · 0 mm
06:00 · 17.5° · 0 mm
07:00 · 17.6° · 0 mm
08:00 · 18.8° · 0 mm
Precipitation
09:00 · 0 mm
09:00
10:00 · 0 mm
11:00 · 0 mm
12:00 · 0 mm
12:00
13:00 · 0 mm
14:00 · 0 mm
15:00 · 0 mm
15:00
16:00 · 0 mm
17:00 · 0 mm
18:00 · 0 mm
18:00
19:00 · 0 mm
20:00 · 0 mm
21:00 · 0 mm
21:00
22:00 · 0 mm
23:00 · 0 mm
00:00 · 0 mm
00:00
01:00 · 0 mm
02:00 · 0 mm
03:00 · 0 mm
03:00
04:00 · 0 mm
05:00 · 0 mm
06:00 · 0 mm
06:00
07:00 · 0 mm
08:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
09:00
☀️
15.5°
14°
-
Clear sky
10:00
☀️
19.2°
17.6°
-
Clear sky
11:00
☀️
23°
20.8°
-
Clear sky
12:00
☀️
25.5°
22.7°
-
Clear sky
13:00
⛅
27°
23.9°
-
Partly cloudy
14:00
☁️
28.1°
25.1°
-
Overcast
15:00
🌤️
28.9°
26.1°
-
Mostly clear
16:00
⛅
29.5°
26.6°
-
Partly cloudy
17:00
⛅
30°
26.6°
-
Partly cloudy
18:00
⛅
29.7°
26.1°
-
Partly cloudy
19:00
☁️
28.5°
25.3°
-
Overcast
20:00
🌤️
26.1°
23.6°
-
Mostly clear
☀️
TodayAugust 19th
Avg 21° Low 12° at 05:00
High 30° at 17:00
Feels 27° Wind ~13 km/h
Clear
Partly Cloudy
Clear
00:00
19°
02:00
16°
04:00
14°
06:00
12°
08:00
14°
10:00
19°
12:00
26°
14:00
28°
16:00
30°
18:00
30°
20:00
26°
22:00
22°
☀️
ThursdayAugust 20th
Avg 25° Low 18° at 06:00
High 33° at 16:00
Feels 29° Wind ~17 km/h
Clear
Cloudy
00:00
21°
02:00
19°
04:00
18°
06:00
18°
08:00
19°
10:00
24°
12:00
29°
14:00
33°
16:00
33°
18:00
32°
20:00
28°
22:00
26°
☁️
FridayAugust 21st
Avg 26° Low 16° at 07:00
High 35° at 16:00
Feels 31° Wind ~14 km/h
Cloudy
Clear
Cloudy
Cloudy
00:00
23°
02:00
24°
04:00
21°
06:00
17°
08:00
18°
10:00
25°
12:00
29°
14:00
32°
16:00
35°
18:00
33°
20:00
28°
22:00
21°
☁️
SaturdayAugust 22nd
Avg 24° Low 17° at 07:00
High 32° at 16:00
Feels 29° Wind ~15 km/h
Cloudy
Clear
00:00
19°
02:00
18°
04:00
18°
06:00
17°
08:00
19°
10:00
24°
12:00
29°
14:00
32°
16:00
32°
18:00
32°
20:00
25°
22:00
19°
☀️
SundayAugust 23rd
Avg 20° Low 12° at 07:00
High 29° at 17:00
Feels 24° Wind ~16 km/h
Clear
00:00
17°
02:00
15°
04:00
13°
06:00
12°
08:00
15°
10:00
21°
12:00
26°
14:00
28°
16:00
29°
18:00
28°
20:00
22°
22:00
15°
☀️
MondayAugust 24th
Avg 21° Low 10° at 05:00
High 33° at 17:00
Feels 28° Wind ~13 km/h
Clear
Partly Cloudy
00:00
14°
02:00
12°
04:00
11°
06:00
11°
08:00
15°
10:00
20°
12:00
26°
14:00
31°
16:00
33°
18:00
32°
20:00
24°
22:00
19°
🌦️
TuesdayAugust 25th
Avg 21° Low 14° at 05:00
High 34° at 15:00
0.6 mm rain Feels 31° Wind ~9 km/h
Partly Cloudy
Partly Cloudy
Cloudy
Rain
Cloudy
00:00
17°
02:00
15°
04:00
14°
06:00
14°
08:00
18°
10:00
23°
12:00
29°
14:00
34°
16:00
31°
0.2mm
18:00
22°
0.2mm
20:00
19°
22:00
17°
🌧️
WednesdayAugust 26th
Avg 19° Low 13° at 05:00
High 30° at 15:00
8.7 mm rain Feels 27° Wind ~14 km/h
Partly Cloudy
Cloudy
Rain
Cloudy
00:00
16°
02:00
15°
04:00
14°
06:00
14°
08:00
17°
10:00
21°
12:00
25°
14:00
30°
16:00
27°
2.9mm
18:00
17°
2.9mm
20:00
16°
22:00
15°
☀️
ThursdayAugust 27th
Avg 19° Low 12° at 05:00
High 29° at 17:00
Feels 24° Wind ~16 km/h
Clear
00:00
14°
02:00
13°
04:00
12°
06:00
12°
08:00
14°
10:00
19°
12:00
26°
14:00
28°
16:00
29°
18:00
28°
20:00
20°
22:00
15°
☀️
FridayAugust 28th
Avg 20° Low 11° at 05:00
High 32° at 16:00
Feels 27° Wind ~17 km/h
Clear
00:00
14°
02:00
12°
04:00
11°
06:00
11°
08:00
14°
10:00
20°
12:00
27°
14:00
31°
16:00
32°
18:00
31°
20:00
22°
22:00
17°
☀️
SaturdayAugust 29th
Avg 20° Low 11° at 05:00
High 31° at 15:00
Feels 25° Wind ~21 km/h
Clear
00:00
15°
02:00
13°
04:00
12°
06:00
11°
08:00
15°
10:00
21°
12:00
28°
14:00
30°
16:00
31°
18:00
29°
20:00
20°
22:00
14°
☀️
SundayAugust 30th
Avg 16° Low 9° at 06:00
High 26° at 17:00
Feels 21° Wind ~16 km/h
Clear
00:00
12°
02:00
11°
04:00
10°
06:00
9°
08:00
12°
10:00
15°
12:00
20°
14:00
23°
16:00
25°
18:00
25°
20:00
17°
22:00
12°
🌦️
MondayAugust 31st
Avg 13° Low 7° at 06:00
High 24° at 15:00
0.6 mm rain Feels 19° Wind ~22 km/h
Partly Cloudy
Clear
Partly Cloudy
00:00
11°
02:00
9°
04:00
8°
06:00
7°
08:00
9°
10:00
13°
12:00
19°
14:00
23°
16:00
22°
18:00
17°
20:00
12°
22:00
9°
0.3mm
🌦️
TuesdaySeptember 1st
Avg 11° Low 3° at 05:00
High 21° at 17:00
0.3 mm rain Feels 16° Wind ~12 km/h
Clear
00:00
8°
0.3mm
02:00
6°
04:00
4°
06:00
3°
08:00
6°
10:00
10°
12:00
15°
14:00
18°
16:00
20°
18:00
21°
20:00
15°
22:00
10°
☁️
WednesdaySeptember 2nd
Avg 13° Low 4° at 05:00
High 25° at 17:00
Feels 20° Wind ~12 km/h
Clear
Partly Cloudy
Cloudy
Partly Cloudy
Clear
00:00
8°
02:00
6°
04:00
5°
06:00
4°
08:00
7°
10:00
11°
12:00
16°
14:00
21°
16:00
24°
18:00
25°
20:00
17°
22:00
12°
☀️
ThursdaySeptember 3rd
Avg 15° Low 6° at 05:00
High 27° at 17:00
Feels 22° Wind ~11 km/h
Clear
00:00
10°
02:00
9°
04:00
7°
06:00
6°
08:00
9°
10:00
14°
12:00
20°
14:00
24°
16:00
27°
18:00
26°
20:00
19°
22:00
13°
Sun
☀️ Sunrise 06:41 · Sunset 20:38
13h 57m of daylight · America/Denver
Air quality
PM2.5 3 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about Grantsdale weather
Will it rain in Grantsdale today?
No rain is in the forecast for Grantsdale today.
What is the temperature in Grantsdale right now?
It is 16° in Grantsdale right now. Today runs between a low of 12° and a high of 30° .
What time is sunrise and sunset in Grantsdale?
The sun rises at 06:41 and sets at 20:38 local time in Grantsdale today, giving 13h 57m of daylight.
What is the air quality in Grantsdale?
PM2.5 in Grantsdale is currently 3 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the Grantsdale forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Grantsdale best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
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© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC