This page presents a long range weather forecast for Longmont 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 Longmont 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
20° / 7°
Thursday
May 2
16° / 5°
Friday
May 3
15° / 3°
Saturday
May 4
18° / 5°
Sunday
May 5
20° / 6°
Monday
May 6
12° / 7°
Tuesday
May 7
12° / 3°
Wednesday
May 8
14° / 0°
Thursday
May 9
11° / 3°
Friday
May 10
15° / 3°
Saturday
May 11
17° / 8°
Sunday
May 12
21° / 8°
Monday
May 13
20° / 9°
Tuesday
May 14
21° / 9°
Wednesday
May 15
25° / 10°
Thursday
May 16
27° / 12°
Friday
May 17
27° / 12°
Saturday
May 18
29° / 12°
Sunday
May 19
25° / 14°
Monday
May 20
17° / 7°
Tuesday
May 21
17° / 7°
Wednesday
May 22
19° / 6°
Thursday
May 23
22° / 9°
Friday
May 24
19° / 8°
Saturday
May 25
24° / 9°
Sunday
May 26
25° / 11°
Monday
May 27
27° / 12°
Tuesday
May 28
28° / 12°
Wednesday
May 29
24° / 12°
Thursday
May 30
22° / 10°
Friday
May 31
19° / 7°
Longmont 30 days weather forecast
Check out our estimated 30 days weather forecast for Longmont, this data is based on the average weather in Longmont in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Longmont next to the desired date.