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October Weather in Three Forks, United States

Last updated: June 24, 2025

In October, the average temperature in Three Forks, United States is a cool 5°C (42°F). Expect a wide temperature range, with minimums dipping to -27°C (-16°F) and maximums reaching 28°C (82°F). Rainfall is modest, with about 32 mm (1.2 in) over 9 days. The average humidity sits at a comfortable 72%, creating an interesting climate throughout the month.

October Temperature in Three Forks

In October in Three Forks, the average temperature is 5°C (42°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -27°C (-16°F). Be prepared for a wide range of weather conditions if you're planning to travel during this time.

October Weather in Three Forks: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Three Forks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Three Forks, October typically has an average temperature of 5°C (42°F), with highs reaching up to 28°C (82°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec211933415262706858423124
Data source: Temperature data for Three Forks generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Three Forks

In Three Forks in October, the total precipitation amount is 32 mm (1.2 in), distributed over a span of 9 days.

October Precipitation Trends in Three Forks

The chart displays monthly precipitation patterns in Three Forks, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Three Forks, October typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec184327545764132131322723
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Three Forks

In Three Forks in October humidity is 72%. With an average temperature of 5°C (42°F), this humidity feels like a damp, chilly fog wrapping around you, making outdoor activities less enjoyable and requiring travelers to dress warmly and prepare for a brisk atmosphere.

October Average Humidity in Three Forks

This chart illustrates the average monthly humidity levels in Three Forks, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Three Forks is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%83%79%76%74%69%67%72%89%94%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Three Forks

In Three Forks in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Three Forks.

Maximum UV Index Levels in Three Forks for October

The chart shows the monthly maximum UV Index (UVI) for Three Forks in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Three Forks typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098532
Data source: Three Forks October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Three Forks Compares to Other Months

Weather in Three Forks varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Three Forks, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Three Forks, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)18 mm (0.7 inches)93%moderate
February Weather-7°C (19°F)43 mm (1.7 inches)92%moderate
March Weather0°C (33°F)27 mm (1.1 inches)89%high
April Weather5°C (41°F)54 mm (2.1 inches)83%very high
May Weather11°C (52°F)57 mm (2.2 inches)79%very high
June Weather17°C (62°F)64 mm (2.5 inches)76%extreme
July Weather21°C (71°F)13 mm (0.5 inches)74%very high
August Weather20°C (69°F)21 mm (0.8 inches)69%very high
September Weather15°C (59°F)31 mm (1.2 inches)67%very high
October Weather5°C (42°F)32 mm (1.2 inches)72%moderate
November Weather0°C (32°F)27 mm (1.1 inches)89%moderate
December Weather-4°C (24°F)23 mm (0.9 inches)94%low

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