This page presents a long range weather forecast for Fairfax in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Fairfax extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
18° / 10°
Thursday
May 2
23° / 11°
Friday
May 3
19° / 11°
Saturday
May 4
19° / 13°
Sunday
May 5
18° / 10°
Monday
May 6
19° / 11°
Tuesday
May 7
26° / 17°
Wednesday
May 8
31° / 18°
Thursday
May 9
25° / 18°
Friday
May 10
22° / 14°
Saturday
May 11
20° / 10°
Sunday
May 12
18° / 9°
Monday
May 13
23° / 9°
Tuesday
May 14
27° / 14°
Wednesday
May 15
27° / 16°
Thursday
May 16
31° / 18°
Friday
May 17
26° / 18°
Saturday
May 18
24° / 14°
Sunday
May 19
21° / 11°
Monday
May 20
15° / 14°
Tuesday
May 21
30° / 15°
Wednesday
May 22
30° / 17°
Thursday
May 23
23° / 15°
Friday
May 24
22° / 13°
Saturday
May 25
23° / 11°
Sunday
May 26
24° / 14°
Monday
May 27
24° / 16°
Tuesday
May 28
20° / 14°
Wednesday
May 29
20° / 13°
Thursday
May 30
23° / 13°
Friday
May 31
29° / 13°
Fairfax 30 days weather forecast
Check out our estimated 30 days weather forecast for Fairfax, this data is based on the average weather in Fairfax in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Fairfax next to the desired date.