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Weather in Grand Teton National Park, Wyoming for October 2025

Your guide to Grand Teton National Park weather in October - trends and predictions

    Official Weather Alert ⚠️

  • Winter Weather Advisory - See hour by hour.

    • Snow Forecast ❄️

  • With an average of 3 snowy days, Grand Teton National Park usually enjoys a light touch of snow in October.
    According to Grand Teton National Park snow forecast for October 2025, 6 snowy days are expected until the end of the month. The closest date with snow is Thursday, October 16.

    • Temperatures

  • Until now, October 2025 in Grand Teton National Park is cooler than usual, with temperatures averaging 11.4 °F, this is -3.1 °F below the typical seasonal average.

  • The forecast for the next days in Grand Teton National Park predicts a temperature of 5.9 °F, which is cooler than the historical average.

  • In general, the average temperature in Grand Teton National Park at the beginning of October is 13.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 3.1 °F by the end of October.

    • Rain 🌧️

  • With an average of 4 rainy days, Grand Teton National Park experiences minimal rainfall in October.

    • More

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

Average dry days
24
Dry days
Average rainy days
4
Rainy days
Average snowy days
3
Snow days
Average temperatures
13°/0°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Grand Teton National Park Weather October

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

Temperatures trend during October in Grand Teton National Park

See the weather trend as well as the moving average line

October weather in Grand Teton National Park day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Light rain shower
Light rain shower
 12° /5° 3.2 mm 0 cm
Oct. 2 Partly cloudy
Partly cloudy
 18° /3° 0 mm 0 cm
Oct. 3 Sunny
Sunny
 16° /3° 14.2 mm 0 cm
Oct. 4 Sunny
Sunny
 14° /2° 13.3 mm 0 cm
Oct. 5 Sunny
Sunny
 9° /1° 0 mm 0 cm
Oct. 6 Sunny
Sunny
 12° /0° 0 mm 0 cm
Oct. 7 Patchy rain possible
Patchy rain possible
 15° /0° 0.1 mm 0 cm
Oct. 8 Cloudy
Cloudy
 16° /0° 0 mm 0 cm
Oct. 9 Cloudy
Cloudy
 18° /2° 0 mm 0 cm
Oct. 10 Overcast
Overcast
 17° /4° 4.3 mm 0 cm
Oct. 11 Overcast
Overcast
 16° /4° 1.6 mm 0 cm
Oct. 12 Overcast
Overcast
 10° /-1° 7.5 mm 5.4 cm
Oct. 13 Sunny
Sunny
 14° /-3° 0 mm 0 cm
Oct. 14 Sunny
Sunny
 15° /1° 0 mm 0 cm
Oct. 15 Sunny
Sunny
 13° /1° 18 mm 2.6 cm
Oct. 16 Patchy rain possible
Patchy rain possible
 4° /-2° 3.3 mm 1.6 cm
Oct. 17 Freezing fog
Freezing fog
 5° /-3° 0 mm 0 cm
Oct. 18 Partly cloudy
Partly cloudy
 7° /-4° 0 mm 0 cm
Oct. 19 Patchy rain possible
Patchy rain possible
 13° /-6° 4.7 mm 0.6 cm
Oct. 20 Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-7° 9.9 mm 7.2 cm
Oct. 21 Sunny
Sunny
 4° /-12° 0 mm 0 cm
Oct. 22 Sunny
Sunny
 6° /-7° 0 mm 0 cm
Oct. 23 Sunny
Sunny
 11° /-8° 0 mm 0 cm
Oct. 24 Sunny
Sunny
 12° /-4° 0 mm 0 cm
Oct. 25 Sunny
Sunny
 11° /-4° 0 mm 0 cm
Oct. 26 Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /-4° 3.5 mm 1.8 cm
Oct. 27 Heavy snow
Heavy snow
 2° /-2° 8.5 mm 5.9 cm
Oct. 28 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-4° 3.4 mm 2 cm
Oct. 29 Partly cloudy
Partly cloudy
 1° /-12° 0.1 mm 0 cm
Oct. 30 Cloudy
Cloudy
 0° /-10° 0 mm 0 cm
Oct. 31 Overcast
Overcast
 2° /-9° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Grand Teton National Park 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 Grand Teton National Park forecast closer to your planned date for the most up-to-date weather information.
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Grand Teton National Park in October - FAQ

What are the expected maximum and minimum temperatures in Grand Teton National Park during October?
Prepare for cooler days with highs just around 13° and colder nights, dipping below 0°.
How much rainfall should be expected in Grand Teton National Park during October?
In October, Grand Teton National Park can expect light to moderate rainfall, totaling 31.8 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Grand Teton National Park in October 2025?
Grand Teton National Park experiences an average snowfall of 5.4 cm during October, occurring over 3 days.
What are the typical wind conditions in Grand Teton National Park during October?
The average wind speed in Grand Teton National Park during October is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

Grand Teton National Park snow forecast October 2025

Track daily snowfall levels and discover Grand Teton National Park’s snowy potential this October ❄️

October rainfall patterns in Grand Teton National Park

Explore the daily rainfall trends and prepare for Grand Teton National Parks October weather 💧

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Location coordinates Where is Grand Teton National Park?

Get accurate weather forecasts for Grand Teton National Park, located at latitude 43.79 and longitude -110.682. Stay updated with localized weather information tailored for Grand Teton National Park.

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