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United States weather

Weather in Fairfax for October 2025

Your guide to Fairfax weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Fairfax at the beginning of October is 21.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.9 °F by the end of October.

    • Rain 🌧️

  • Precipitation in Fairfax during October is a rare event, with an average of fewer than 2 rainy days.

    • More

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Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/11°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Fairfax in October average weather

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

See the weather trend as well as the moving average line

October weather day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /16° 23.6 mm 4
Oct. 2 Overcast
Overcast
 20° /16° 0 mm 5
Oct. 3 Mist
Mist
 23° /18° 0 mm 5
Oct. 4 Overcast
Overcast
 23° /18° 0 mm 5
Oct. 5 Overcast
Overcast
 23° /17° 0 mm 5
Oct. 6 Overcast
Overcast
 25° /15° 0 mm 6
Oct. 7 Overcast
Overcast
 20° /14° 0 mm 5
Oct. 8 Overcast
Overcast
 21° /10° 0 mm 5
Oct. 9 Overcast
Overcast
 21° /11° 0 mm 5
Oct. 10 Sunny
Sunny
 15° /9° 0 mm 5
Oct. 11 Sunny
Sunny
 20° /7° 0 mm 6
Oct. 12 Partly cloudy
Partly cloudy
 25° /10° 0 mm 7
Oct. 13 Thundery outbreaks possible
Thundery outbreaks possible
 25° /14° 0 mm 6
Oct. 14 Overcast
Overcast
 20° /11° 0 mm 5
Oct. 15 Overcast
Overcast
 10° /7° 0 mm 3
Oct. 16 Sunny
Sunny
 14° /5° 0 mm 4
Oct. 17 Partly cloudy
Partly cloudy
 14° /8° 0 mm 4
Oct. 18 Sunny
Sunny
 19° /6° 0 mm 5
Oct. 19 Sunny
Sunny
 22° /7° 0 mm 6
Oct. 20 Fog
Fog
 23° /7° 0 mm 5
Oct. 21 Sunny
Sunny
 25° /12° 0 mm 7
Oct. 22 Sunny
Sunny
 27° /12° 0 mm 7
Oct. 23 Sunny
Sunny
 23° /13° 0 mm 6
Oct. 24 Sunny
Sunny
 19° /11° 0 mm 5
Oct. 25 Partly cloudy
Partly cloudy
 19° /5° 0.1 mm 5
Oct. 26 Patchy rain possible
Patchy rain possible
 20° /11° 0.2 mm 5
Oct. 27 Partly cloudy
Partly cloudy
 13° /7° 0 mm 4
Oct. 28 Sunny
Sunny
 17° /5° 0 mm 5
Oct. 29 Overcast
Overcast
 17° /11° 0 mm 4
Oct. 30 Cloudy
Cloudy
 22° /12° 0 mm 5
Oct. 31 Cloudy
Cloudy
 24° /15° 0 mm 5
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Important Notice
Our weather forecast for Fairfax 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 Fairfax forecast closer to your planned date for the most up-to-date weather information.

Fairfax in October - FAQ

What are the expected maximum and minimum temperatures in Fairfax during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Fairfax during October?
In October, Fairfax can expect light to moderate rainfall, totaling 23.9 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Fairfax during October?
The average wind speed in Fairfax during October is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Fairfax

Explore the daily rainfall trends and prepare for Fairfaxs October weather 💧

UV exposure in Fairfax during October

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

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Location coordinates Where is Fairfax?

Get accurate weather forecasts for Fairfax, located at latitude 38.846 and longitude -77.306. Stay updated with localized weather information tailored for Fairfax.

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