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Weather in Grand Junction, Colorado for October 2026

Your guide to Grand Junction weather in October - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Grand Junction during October is quite rare, with fewer than 2 snowy days on average.
    According to Grand Junction snow forecast for October 2026, no snow is expected at the beginning of the month.

    • Temperatures

  • Expect cooler weather in first days of October 2026 in Grand Junction with the forecast suggesting a temperature of 23.5 °F, lower than the historical average.

  • In general, the average temperature in Grand Junction at the beginning of October is 24.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °F by the end of October.

    • Rain 🌧️

  • Grand Junction experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 100.2 mm.

    • More

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

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
1
Snow days
Average temperatures
20°/5°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
47 %
Avg humidity

Grand Junction Weather October

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

Temperatures trend during October in Grand Junction

See the weather trend as well as the moving average line

October weather in Grand Junction day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 24° /14° 0 mm 0 cm
Oct. 2 Sunny
Sunny
 26° /15° 0 mm 0 cm
Oct. 3 Sunny
Sunny
 27° /15° 0 mm 0 cm
Oct. 4 Sunny
Sunny
 19° /10° 0 mm 0 cm
Oct. 5 Sunny
Sunny
 22° /10° 0 mm 0 cm
Oct. 6 Sunny
Sunny
 25° /13° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 26° /14° 0 mm 0 cm
Oct. 8 Sunny
Sunny
 27° /15° 0 mm 0 cm
Oct. 9 Overcast
Overcast
 25° /15° 0 mm 0 cm
Oct. 10 Sunny
Sunny
 22° /9° 34.8 mm 0 cm
Oct. 11 Overcast
Overcast
 22° /10° 32.2 mm 0 cm
Oct. 12 Cloudy
Cloudy
 20° /8° 0 mm 0 cm
Oct. 13 Cloudy
Cloudy
 24° /5° 0 mm 0 cm
Oct. 14 Patchy rain possible
Patchy rain possible
 25° /9° 0.9 mm 0 cm
Oct. 15 Sunny
Sunny
 22° /5° 0 mm 0 cm
Oct. 16 Moderate rain at times
Moderate rain at times
 19° /5° 0.3 mm 0 cm
Oct. 17 Patchy rain possible
Patchy rain possible
 18° /5° 1.9 mm 0 cm
Oct. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /3° 6.4 mm 0 cm
Oct. 19 Heavy rain at times
Heavy rain at times
 19° /3° 1.8 mm 0 cm
Oct. 20 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /3° 2.3 mm 0 cm
Oct. 21 Overcast
Overcast
 16° /0° 0.7 mm 0 cm
Oct. 22 Sunny
Sunny
 20° /2° 0 mm 0 cm
Oct. 23 Sunny
Sunny
 19° /3° 0 mm 0 cm
Oct. 24 Sunny
Sunny
 17° /4° 0 mm 0 cm
Oct. 25 Partly cloudy
Partly cloudy
 19° /2° 0 mm 0 cm
Oct. 26 Overcast
Overcast
 20° /5° 0 mm 0 cm
Oct. 27 Overcast
Overcast
 20° /5° 0 mm 0 cm
Oct. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /2° 3.2 mm 0 cm
Oct. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /-1° 12.2 mm 0 cm
Oct. 30 Moderate snow
Moderate snow
 13° /-2° 1.6 mm 1.1 cm
Oct. 31 Partly cloudy
Partly cloudy
 12° /-6° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Grand Junction 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 Junction forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Grand Junction in October - FAQ

What are the expected maximum and minimum temperatures in Grand Junction during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Grand Junction during October?
Significant rainfall exceeding 100.2 mm is expected in Grand Junction during October, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Grand Junction in October 2026?
Grand Junction typically sees 1.1 cm of snowfall during October.

What are the typical wind conditions in Grand Junction during October?
The average wind speed in Grand Junction during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Grand Junction snow forecast October 2026

Track daily snowfall levels and discover Grand Junction’s snowy potential this October ❄️
On average, Grand Junction sees 1 snowy days during October, with approximately 1.1 cm of total snowfall.

October rainfall patterns in Grand Junction

Explore the daily rainfall trends and prepare for Grand Junctions October weather 💧
Typically, Grand Junction has 9 rainy days in October with a total of 100.2 mm of rainfall.

UV exposure in Grand Junction during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates Where is Grand Junction?

Get accurate weather forecasts for Grand Junction, located at latitude 39.064 and longitude -108.551. Stay updated with localized weather information tailored for Grand Junction.

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