Grand Junction (CO)
October
Weather in Grand Junction, Colorado for October 2026
Your guide to Grand Junction weather in October - trends and predictions
Snowfall in Grand Junction during October is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Grand Junction at the beginning of October is 25.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °F by the end of October.
Grand Junction experiences moderate rainfall in October, with an average of 8 rainy days and a total precipitation of 61 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
1
Snow days
22°/7°
Temperatures
16 km/h
Avg max wind
43 %
Avg humidity
Grand Junction Weather October
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Cloudy | 22° /8° | 0 mm | 5 | |
| Oct. 2 |  Sunny | 29° /9° | 0 mm | 7 | |
| Oct. 3 | Sunny | 29° /9° | 0 mm | 7 | |
| Oct. 4 | Sunny | 25° /7° | 0 mm | 6 | |
| Oct. 5 | Sunny | 23° /6° | 0 mm | 6 | |
| Oct. 6 | Sunny | 25° /8° | 0 mm | 7 | |
| Oct. 7 | Cloudy | 24° /8° | 0 mm | 6 | |
| Oct. 8 |  Partly cloudy | 26° /7° | 0 mm | 7 | |
| Oct. 9 | Sunny | 25° /8° | 1.9 mm | 6 | |
| Oct. 10 | Sunny | 22° /9° | 34.8 mm | 6 | |
| Oct. 11 |  Overcast | 22° /10° | 32.2 mm | 5 | |
| Oct. 12 | Cloudy | 20° /8° | 0 mm | 5 | |
| Oct. 13 | Cloudy | 24° /5° | 0 mm | 6 | |
| Oct. 14 |  Patchy rain possible | 25° /9° | 0.9 mm | 6 | |
| Oct. 15 | Sunny | 22° /5° | 0 mm | 6 | |
| Oct. 16 |  Moderate rain at times | 19° /5° | 0.3 mm | 5 | |
| Oct. 17 | Patchy rain possible | 18° /5° | 1.9 mm | 5 | |
| Oct. 18 | Moderate or heavy rain shower | 17° /3° | 6.4 mm | 5 | |
| Oct. 19 |  Heavy rain at times | 19° /3° | 1.8 mm | 5 | |
| Oct. 20 | Moderate or heavy rain shower | 15° /3° | 2.3 mm | 4 | |
| Oct. 21 | Overcast | 16° /0° | 0.7 mm | 4 | |
| Oct. 22 | Sunny | 20° /2° | 0 mm | 6 | |
| Oct. 23 | Sunny | 19° /3° | 0 mm | 5 | |
| Oct. 24 | Sunny | 17° /4° | 0 mm | 5 | |
| Oct. 25 | Partly cloudy | 19° /2° | 0 mm | 5 | |
| Oct. 26 | Overcast | 20° /5° | 0 mm | 5 | |
| Oct. 27 | Overcast | 20° /5° | 0 mm | 5 | |
| Oct. 28 | Moderate or heavy rain shower | 12° /2° | 3.2 mm | 4 | |
| Oct. 29 | Moderate or heavy rain shower | 13° /-1° | 12.2 mm | 4 | |
| Oct. 30 |  Moderate snow | 13° /-2° | 1.6 mm | 4 | |
| Oct. 31 | Partly cloudy | 12° /-6° | 0 mm | 4 | |
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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
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 22° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grand Junction during October?
Moderate rainfall is anticipated in Grand Junction during October, with a total of 61 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
Will it snow in Grand Junction in October 2026?
Grand Junction typically sees 2.3 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 16 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Grand Junction
Explore the daily rainfall trends and prepare for Grand Junctions October weather 💧
Typically, Grand Junction has 8 rainy days in October with a total of 61 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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