County in Montana

Gallatin County Travel Guide

Gallatin County travel guide: interactive map, live weather, best time to visit, things to do and nearby places.

☀️ 73°F now🕔 1:18 AM local📅 Best: June, July and August👥 125.000

Summary

Gallatin County is a county in Montana. Gallatin County is a county in the United States. It has a population of about 125.000.

Right now it is 73°F (23°C) in Gallatin County with clear sky. It feels like 68°F. Today runs from 51°F to 81°F. Chance of precipitation is 0%. Sightseeing conditions score 9.9/10 - excellent - go now.

The best time to visit Gallatin County is June, July and August. The climate is subarctic. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 83°F, while January is the coldest with lows near 14°F.

Nearby highlights include Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Grand Teton National Park.

In plain terms. Today is about average for August. The forecast high of 81°F is in line with the 80°F typical for this month. The best window to be outside is roughly 10 AM to 1 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.

Map of Gallatin County

Interactive map with nearby places. Switch between street, terrain and satellite views.

Coordinates: 45°40′37.2″N 111°2′34.4″W (45.677, -111.0429)

Weather in Gallatin County right now

☀️
73°F
Clear sky · feels like 68°F
Humidity19%
Wind1 mph SE
Gusts1 mph
UV index0.1 · Low
Cloud cover0%
Pressure856 hPa
VisibilityExcellent · 21 mi
Air quality51 · Moderate
Sunrise6:36 AM
Sunset8:16 PM
Moon🌔 Waxing gibbous · 92%

Source: Open-Meteo. Updated 1:18 AM, Aug 25 local time.

Weekend outlook

Saturday, Aug 29

☁️ 83° / 56°

Overcast · 42% rain · wind 19 mph

Sunday, Aug 30

🌦️ 82° / 53°

Drizzle · 42% rain · wind 11 mph

Quick facts about Gallatin County

TypeCounty
StateMontana
CountryUnited States
ContinentNorth America
Coordinates45°40′37.2″N 111°2′34.4″W (45.677, -111.0429)
Population125.000
Local time1:18 AM (UTC-06:00)
Best monthsJune, July and August
ClimateSubarctic

Things to do in Gallatin County

Attractions, parks and landmarks in and around Gallatin County.

Best time to visit Gallatin County

Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★☆☆☆
February★★☆☆☆
March★★★☆☆
April★★★☆☆
May★★★★
June★★★★
July★★★★★
August★★★★★
September★★★★
October★★★☆☆
November★★★☆☆
December★★☆☆☆

What to pack, what to skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • Sunglasses, a brimmed hat and SPF 30+
  • A packable rain shell - 4 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid January, February and December - historically the least comfortable months here.

Explore Gallatin County

Every topic we hold for this place, and the same topic for the places around it.

Travel Guide for related places

Frequently asked questions

Where is Gallatin County?

Gallatin County is a county in Montana. Its coordinates are 45.677, -111.0429. It lies in North America.

What is the weather like in Gallatin County right now?

It is currently 73°F (23°C) with clear sky. Humidity is 19% and wind is 1 mph.

When is the best time to visit Gallatin County?

June, July and August offer the most comfortable conditions in Gallatin County, which has a subarctic climate. January, February 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 1:18 AM.

How many people live in Gallatin County?

Gallatin County has a population of approximately 125.000.

What are the top things to 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 dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Map tilesOpenStreetMap contributors, CARTO and Esri.
ElevationOpen-Meteo digital elevation model where the dataset has no value.
MethodScores, 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 August 25, 2026 at 1:18 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile