For this time of the year, Manassas is experiencing slightly cooler temperatures, gently falling below the seasonal average.
According to the long-range forecast, temperatures are expected to be 22.9 °C which is -1.5 °C lower than the historical average.
Select a month and click on a day for more information:
Thursday
Oct 1
26° / 20°
Friday
Oct 2
21° / 13°
Saturday
Oct 3
21° / 13°
Sunday
Oct 4
24° / 12°
Monday
Oct 5
23° / 12°
Tuesday
Oct 6
24° / 14°
Wednesday
Oct 7
23° / 12°
Thursday
Oct 8
19° / 9°
Friday
Oct 9
20° / 7°
Saturday
Oct 10
19° / 6°
Sunday
Oct 11
21° / 8°
Monday
Oct 12
23° / 10°
Tuesday
Oct 13
20° / 12°
Wednesday
Oct 14
18° / 10°
Thursday
Oct 15
18° / 9°
Friday
Oct 16
18° / 7°
Saturday
Oct 17
17° / 8°
Sunday
Oct 18
18° / 6°
Monday
Oct 19
20° / 7°
Tuesday
Oct 20
20° / 7°
Wednesday
Oct 21
21° / 7°
Thursday
Oct 22
20° / 8°
Friday
Oct 23
18° / 8°
Saturday
Oct 24
19° / 8°
Sunday
Oct 25
21° / 6°
Monday
Oct 26
21° / 10°
Tuesday
Oct 27
19° / 10°
Wednesday
Oct 28
17° / 7°
Thursday
Oct 29
17° / 10°
Friday
Oct 30
19° / 9°
Saturday
Oct 31
17° / 8°
Manassas 30 days weather forecast
Check out our estimated 30 days weather forecast for Manassas, this data is based on the average weather in Manassas in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Manassas next to the desired date.