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United States weather

10 day weather forecast for Fairfax

Tuesday, November 3rd, 2026, at 11:14 PM
Today
Sunny
22° 9°
Tomorrow
Sunny
24° 12°
Thursday
Patchy rain possible
25° 18°
Friday
Moderate rain
20° 12°
Saturday
Sunny
16° 7°
Sunday
Sunny
15° 7°
Monday
Sunny
16° 8°
 More Details See
more
Fairfax Weather Pages

Fairfax weather forecast

The weather forecast for Fairfax over the next 4 days indicates wet and rainy conditions with temperatures ranging from 20 °C to 25 °C.

Rain is expected from Thursday until Friday, accompanied by a gentle breeze.

On Saturday, expect a change in weather with temperatures reaching 16°C.

Weather today

Fairfax 14 days weather forecast

This weeks weather in Fairfax. Click on a date for detailed forecasts
Tue. 3
22°
9°
Sunny
0 mm
Wed. 4
24°
12°
Sunny
0 mm
Thu. 5
25°
18°
Patchy rain possible
2.2 mm
Fri. 6
20°
12°
Moderate rain
14.3 mm
Sat. 7
16°
7°
Sunny
0 mm
Sun. 8
15°
7°
Sunny
0 mm
Mon. 9
16°
8°
Sunny
0 mm
Tue. 10
20°
7°
Sunny
0 mm
Wed. 11
17°
9°
Partly cloudy
0 mm
Thu. 12
10°
7°
Patchy rain possible
1.9 mm
Fri. 13
10°
5°
Partly cloudy
0 mm
Sat. 14
12°
3°
Partly cloudy
0 mm
Sun. 15
12°
5°
Partly cloudy
0.1 mm
Mon. 16
16°
9°
Partly cloudy
0 mm
Further Ahead
Select a date

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Access Fairfax weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Fairfax long range weather forecast

30 day weather forecast for Fairfax
October
December
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
18°
2
Partly cloudy
17°
3
Sunny
22°
4
Sunny
24°
5
Patchy rain possible
25°
6
Moderate rain
20°
7
Sunny
16°
8
Sunny
15°
9
Sunny
16°
10
Sunny
20°
11
Partly cloudy
17°
12
Patchy rain possible
10°
13
Partly cloudy
10°
14
Partly cloudy
12°
15
Partly cloudy
12°
16
Partly cloudy
16°
17
Overcast
10°
18
Patchy rain possible
11°
19
Heavy rain
13°
20
Patchy rain possible
11°
21
Light rain
11°
22
Moderate rain
8°
23
Partly cloudy
12°
24
Partly cloudy
12°
25
Light rain
11°
26
Thundery outbreaks possible
18°
27
Cloudy
9°
28
Moderate rain
7°
29
Overcast
6°
30
Light rain
4°
Important Notice
Our Fairfax long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Fairfax

A total of 18.5 mm is expected over 3 rainy days. The wettest day is Friday 6, with 14.3 mm. Click a day for details.
Tue. 3
0 mm
9%
Wed. 4
0 mm
10%
Thu. 5
2.2
2.2 mm
73%
Fri. 6
14.3
14.3 mm
90%
Sat. 7
0 mm
6%
Sun. 8
0 mm
4%
Mon. 9
0 mm
3%
Tue. 10
0 mm
4%
Wed. 11
0 mm
6%
Thu. 12
1.9
1.9 mm
60%
Fri. 13
0 mm
9%
Sat. 14
0 mm
9%
Sun. 15
0.1
0.1 mm
17%
Mon. 16
0 mm
9%

Frequently asked questions about the weather in Fairfax

How warm is it in Fairfax over the next 14 days?
Over the next two weeks, temperatures in Fairfax are expected to range from around 3 °C on the coldest nights up to about 25 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Fairfax in the next two weeks?
Yes - rain is expected on about 3 of the next 14 days in Fairfax, with roughly 18.5 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Fairfax?
Maximum wind speeds in Fairfax are forecast to reach about 20.9 km/h at their peak over the next 14 days.

When is the best time to visit Fairfax?
For a month-by-month look at temperatures and rainfall, see our best time to visit Fairfax guide.

How accurate is the 14-day forecast for Fairfax?
Our Fairfax forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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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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