Gallatin County Väder Prognos
Gallatin County weather: 4°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Sammanfattning
Gallatin County is a county in måntana. Gallatin County is a county in the United States. Befolkningen är cirka 125.000.
Just nu är det 4°C (39°F) in Gallatin County med klart. Det känns som 0°C. I dag varierar temperaturen mellan 3°C och 21°C. Risken för nederbörd är 1%. Sightseeing conditions score 7.7/10 - bra förhållanden.
Bästa tiden att besöka Gallatin County is juni, juli and augusti. Klimatet är subarctic. januari, februari and december tend och be the least comfortable months. juli is the warmest month med average highs near 28°C, while januari is the coldest med lows near -10°C.
Nearby highlights include Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Grand Teton National Park.
Enkelt förklarat. Today is about average for september. The forecast high of 21°C is in line med the 22°C typical for this month. The best window och be outside is roughly 3 PM och 6 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Gallatin County today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Gallatin County
Derived from the forecast. No official alert feed is wired for this country yet.
Vädret i Gallatin County just nu
Open-Meteo Updated 6:16 AM, sep 15 local time.
Se prognosen för Gallatin County per tidsintervall
Nästa 24 timmar
Temperatur, nederbörd och vind timme för timme.
16-day forecast for Gallatin County
Max / Min; Nederb.; UV
| Dag | Förhållanden | Max / Min | Nederb. | Vind | UV |
|---|---|---|---|---|---|
| tis, sep 15 | ☁️ Mulet | 21° / 3° | 1% | 29 km/h | 6 |
| ons, sep 16 | ☁️ Mulet | 20° / 6° | 1% | 35 km/h | 6 |
| tor, sep 17 | 🌦️ Light drizzle | 28° / 9° | 34% · 1 mm | 25 km/h | 6 |
| fre, sep 18 | 🌧️ Heavy drizzle | 25° / 11° | 60% · 3 mm | 19 km/h | 5 |
| lör, sep 19 | 🌦️ Duggregn | 21° / 9° | 57% · 2 mm | 12 km/h | 5 |
| sön, sep 20 | ☀️ Klart | 24° / 11° | 10% | 16 km/h | 6 |
| mån, sep 21 | ☁️ Mulet | 26° / 12° | 4% | 14 km/h | 6 |
| tis, sep 22 | ☁️ Mulet | 24° / 10° | 21% | 18 km/h | 5 |
| ons, sep 23 | ⛅ Delvis molnigt | 22° / 5° | 21% | 14 km/h | 6 |
| tor, sep 24 | 🌤️ Mest klart | 28° / 12° | 16% | 19 km/h | 6 |
| fre, sep 25 | ☁️ Mulet | 30° / 15° | 20% | 21 km/h | 6 |
| lör, sep 26 | 🌦️ Duggregn | 19° / 11° | 22% · 5 mm | 20 km/h | 3 |
| sön, sep 27 | 🌦️ Lätt regn | 15° / 2° | 19% · 11 mm | 18 km/h | 3 |
| mån, sep 28 | 🌦️ Light showers | 9° / 2° | 19% · 8 mm | 14 km/h | 5 |
| tis, sep 29 | ☁️ Mulet | 18° / 2° | 24% | 15 km/h | 5 |
| ons, sep 30 | ☀️ Klart | -- / -- | 22% | -- | — |
Klimat in Gallatin County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 0° | -10° | 20 mm | ★★☆☆☆ |
| februari | 1° | -9° | 41 mm | ★★☆☆☆ |
| mars | 9° | -3° | 44 mm | ★★★☆☆ |
| april | 12° | -1° | 70 mm | ★★★☆☆ |
| maj | 16° | 3° | 80 mm | ★★★★☆ |
| juni | 21° | 7° | 51 mm | ★★★★☆ |
| juli | 28° | 13° | 12 mm | ★★★★★ |
| augusti | 27° | 11° | 9 mm | ★★★★★ |
| september | 22° | 8° | 35 mm | ★★★★☆ |
| oktober | 13° | 1° | 47 mm | ★★★☆☆ |
| november | 6° | -4° | 26 mm | ★★★☆☆ |
| december | 4° | -5° | 36 mm | ★★☆☆☆ |
Klimat type: Subarctic. Källa: Open-Meteo archive (ERA5).
Väder map for Gallatin County
Animated model layers. Pick a layer och load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Luftkvalitet and pollen in Gallatin County
Luftkvalitet: Open-Meteo (CAMS). US AQI scale.
sön, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Bästa tiden att besöka Gallatin County
Go in juni, juli and augusti. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.
Explore Gallatin County
Every topic we hold for this place, and the same topic for the places around it.
Väder for related places
Frequently asked questions
Where is Gallatin County?
Gallatin County is a county in måntana. Its coordinates are 45.677, -111.0429. It lies in Nordamerika.
What is the weather like in Gallatin County just nu?
It is currently 4°C (39°F) med klart. Luftfuktighet is 63% and wind is 9 km/h.
When is the best time och visit Gallatin County?
juni, juli and augusti offer the most comfortable conditions in Gallatin County, which has a subarctic climate. januari, februari and december are usually the hardest months for outdoor plans.
What time zone is Gallatin County in?
Gallatin County observes America/Denver (UTC-06:00). The local time is 6:16 AM.
How many people live in Gallatin County?
Gallatin County has a population of approximately 125.000.
What are the top things och do in Gallatin County?
Popular options include Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Grand Teton National Park and Grand Teton.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated september 15, 2026 at 6:16 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





