easeweather.com
Gallatin County (Bozeman)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bozeman (MT)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Norfolk (VA)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Gallatin County, Montana for October 2025

Your guide to Gallatin County weather in October - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Gallatin County usually enjoys a light touch of snow in October.
    According to Gallatin County snow forecast for October 2025, 4 snowy days are expected until the end of the month. The closest date with snow is Monday, October 20.

    • Temperatures

  • Until now, October 2025 in Gallatin County is cooler than usual, with temperatures averaging 12.3 °F, this is -3.2 °F below the typical seasonal average.

  • The forecast for the next days in Gallatin County predicts temperatures to be around 9 °F, close to the historical average.

  • In general, the average temperature in Gallatin County at the beginning of October is 16.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7 °F by the end of October.

    • Rain 🌧️

  • Gallatin County experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 37.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
6
Rainy days
Average snowy days
2
Snow days
Average temperatures
15°/3°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
50 %
Avg humidity

Gallatin County Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
20°
2
Overcast
20°
3
Sunny
18°
4
Sunny
16°
5
Sunny
9°
6
Sunny
15°
7
Sunny
20°
8
Cloudy
21°
9
Sunny
24°
10
Patchy rain possible
20°
11
Overcast
19°
12
Overcast
12°
13
Sunny
9°
14
Sunny
16°
15
Sunny
14°
16
Partly cloudy
13°
17
Moderate or heavy rain shower
8°
18
Patchy moderate snow
6°
19
Cloudy
12°
20
Patchy rain possible
8°
21
Sunny
13°
22
Sunny
17°
23
Sunny
13°
24
Sunny
14°
25
Patchy rain possible
10°
26
Moderate or heavy snow showers
-0°
27
Sunny
3°
28
Moderate snow
4°
29
Sunny
7°
30
Sunny
12°
31
Overcast
13°

Temperatures trend during October in Gallatin County

See the weather trend as well as the moving average line

October weather in Gallatin County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 20° /4° 0 mm 0 cm
Oct. 2 Overcast
Overcast
 20° /8° 0 mm 0 cm
Oct. 3 Sunny
Sunny
 18° /4° 0 mm 0 cm
Oct. 4 Sunny
Sunny
 16° /3° 33.1 mm 0 cm
Oct. 5 Sunny
Sunny
 9° /1° 13.7 mm 7.4 cm
Oct. 6 Sunny
Sunny
 15° /3° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 20° /4° 0 mm 0 cm
Oct. 8 Cloudy
Cloudy
 21° /5° 0 mm 0 cm
Oct. 9 Sunny
Sunny
 24° /7° 0 mm 0 cm
Oct. 10 Patchy rain possible
Patchy rain possible
 20° /7° 0.1 mm 0 cm
Oct. 11 Overcast
Overcast
 19° /6° 2 mm 0 cm
Oct. 12 Overcast
Overcast
 12° /4° 0.9 mm 0 cm
Oct. 13 Sunny
Sunny
 9° /0° 0 mm 0 cm
Oct. 14 Sunny
Sunny
 16° /2° 0 mm 0 cm
Oct. 15 Sunny
Sunny
 14° /4° 5.7 mm 2.3 cm
Oct. 16 Partly cloudy
Partly cloudy
 13° /3° 3.7 mm 0.6 cm
Oct. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /-1° 6.6 mm 0.7 cm
Oct. 18 Patchy moderate snow
Patchy moderate snow
 6° /0° 2.9 mm 1.8 cm
Oct. 19 Cloudy
Cloudy
 12° /0° 7.8 mm 0 cm
Oct. 20 Patchy rain possible
Patchy rain possible
 8° /-1° 1.1 mm 0.8 cm
Oct. 21 Sunny
Sunny
 13° /-2° 0 mm 0 cm
Oct. 22 Sunny
Sunny
 17° /0° 0 mm 0 cm
Oct. 23 Sunny
Sunny
 13° /3° 0 mm 0 cm
Oct. 24 Sunny
Sunny
 14° /3° 0 mm 0 cm
Oct. 25 Patchy rain possible
Patchy rain possible
 10° /0° 4.9 mm 3.5 cm
Oct. 26 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-6° 0.6 mm 0.4 cm
Oct. 27 Sunny
Sunny
 3° /-7° 0 mm 0 cm
Oct. 28 Moderate snow
Moderate snow
 4° /-3° 1.3 mm 0.6 cm
Oct. 29 Sunny
Sunny
 7° /-4° 0 mm 0 cm
Oct. 30 Sunny
Sunny
 12° /0° 0 mm 0 cm
Oct. 31 Overcast
Overcast
 13° /3° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Gallatin County in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Gallatin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Gallatin County in October - FAQ

What are the expected maximum and minimum temperatures in Gallatin County during October?
Prepare for cooler days with highs just around 15° and colder nights, dipping below 3°.
How much rainfall should be expected in Gallatin County during October?
In October, Gallatin County can expect light to moderate rainfall, totaling 37.4 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Gallatin County in October 2025?
Gallatin County experiences an average snowfall of 5.1 cm during October, occurring over 2 days.
What are the typical wind conditions in Gallatin County during October?
The average wind speed in Gallatin County during October is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

Gallatin County snow forecast October 2025

Track daily snowfall levels and discover Gallatin County’s snowy potential this October ❄️

October rainfall patterns in Gallatin County

Explore the daily rainfall trends and prepare for Gallatin Countys October weather 💧

UV exposure in Gallatin County during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Top locations in Gallatin County
Select a location for an accurate weather forecast
Bozeman
More Locations

Quick links

More Gallatin County weather pages
You are here
Location coordinates Where is Gallatin County?

Get accurate weather forecasts for Gallatin County, located at latitude 45.68 and longitude -111.039. Stay updated with localized weather information tailored for Gallatin County.

Found a mistake?
We appreciate your attention to details. Tell us here.