Bozeman, Montana, United States Climate Change Severity

57
High
The current climate change severity in Bozeman is High, with a 17.4% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Bozeman Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Bozeman temperature has changed by around +13.2%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
6072
20%
cloudyCloudy
6636
-45.4%
rainyRainy
9656
-41.6%
snowySnowy
1418
28.5%
mistyMisty
010
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Bozeman has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Bozeman experienced significant changes:

Temperature change of

+0.8 °C

Variation in annual rainfall

+96.5 %

Change in average humidity

-4.9 %

PM2.5 levels surged by

-38.8 %

Heatwave changed by

-4.5 day(s)

Coldwave changed by

-4.8 day(s)

Wind speeds changed by

+2.1 km/h

These indicators show that Bozeman is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Sep.

Bozeman Weather Forecast 30 Days (October - November 2025)
Bozeman, Montana, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 24, Oct.
sunnySunny
Temperature Icon19°/3°
Humidity Icon42%
Wind Icon12km/h
Sat. 25, Oct.
cloudyCloudy
Temperature Icon15°/4°
Humidity Icon48%
Wind Icon27km/h
Sun. 26, Oct.
overcastOvercast
Temperature Icon4°/-1°
Humidity Icon56%
Wind Icon34km/h
Mon. 27, Oct.
moderate snowModerate snow
Temperature Icon3°/-5°
Humidity Icon54%
Wind Icon24km/h
Tue. 28, Oct.
sunnySunny
Temperature Icon6°/-5°
Humidity Icon55%
Wind Icon9km/h
Wed. 29, Oct.
sunnySunny
Temperature Icon14°/3°
Humidity Icon61%
Wind Icon7km/h
Thu. 30, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/2°
Humidity Icon61%
Wind Icon36km/h
Fri. 31, Oct.
sunnySunny
Temperature Icon8°/-2°
Humidity Icon51%
Wind Icon11km/h
Sat. 1, Nov.
sunnySunny
Temperature Icon11°/4°
Humidity Icon54%
Wind Icon5km/h
Sun. 2, Nov.
sunnySunny
Temperature Icon15°/7°
Humidity Icon61%
Wind Icon9km/h
Mon. 3, Nov.
partly cloudyPartly Cloudy
Temperature Icon12°/5°
Humidity Icon68%
Wind Icon28km/h
Tue. 4, Nov.
sunnySunny
Temperature Icon3°/-4°
Humidity Icon76%
Wind Icon8km/h
Wed. 5, Nov.
sunnySunny
Temperature Icon8°/-4°
Humidity Icon53%
Wind Icon7km/h
Thu. 6, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon5°/-5°
Humidity Icon77%
Wind Icon14km/h
Fri. 7, Nov.
moderate snowModerate snow
Temperature Icon5°/-6°
Humidity Icon79%
Wind Icon13km/h
Sat. 8, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-7°
Humidity Icon80%
Wind Icon13km/h
Sun. 9, Nov.
moderate snowModerate snow
Temperature Icon3°/-8°
Humidity Icon77%
Wind Icon12km/h
Mon. 10, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-9°
Humidity Icon82%
Wind Icon13km/h
Wed. 12, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-9°
Humidity Icon80%
Wind Icon13km/h
Thu. 13, Nov.
light freezing rainLight freezing rain
Temperature Icon2°/-7°
Humidity Icon79%
Wind Icon14km/h
Fri. 14, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-7°
Humidity Icon80%
Wind Icon17km/h
Sat. 15, Nov.
moderate snowModerate snow
Temperature Icon2°/-7°
Humidity Icon79%
Wind Icon15km/h
Sun. 16, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-8°
Humidity Icon83%
Wind Icon15km/h
Mon. 17, Nov.
light freezing rainLight freezing rain
Temperature Icon0°/-9°
Humidity Icon83%
Wind Icon14km/h
Tue. 18, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-9°
Humidity Icon82%
Wind Icon13km/h
Wed. 19, Nov.
moderate snowModerate snow
Temperature Icon0°/-10°
Humidity Icon83%
Wind Icon12km/h
Thu. 20, Nov.
moderate snowModerate snow
Temperature Icon0°/-10°
Humidity Icon82%
Wind Icon12km/h
Fri. 21, Nov.
light freezing rainLight freezing rain
Temperature Icon1°/-10°
Humidity Icon80%
Wind Icon11km/h
Sun. 23, Nov.
moderate snowModerate snow
Temperature Icon0°/-8°
Humidity Icon79%
Wind Icon15km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 24, Oct.

18.5°C

Low will be onWed. 19, Nov.

-9.8°C

HumidityHumidity

High will be onSun. 16, Nov.

83%

Low will be onFri. 24, Oct.

42%

Wind SpeedWind Speed

High will be onThu. 30, Oct.

36km/h

Low will be onSat. 1, Nov.

5km/h

PrecipitationPrecipitation

High will be onSun. 16, Nov.

3.7mm

Low will be onSun. 26, Oct.

0.01mm

Ultraviolet IndexUV

High will be onWed. 29, Oct.

3

Low will be onThu. 6, Nov.

1

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