This page presents a long range weather forecast for Idaho 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 Idaho 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° / 4°
Thursday
May 2
23° / 8°
Friday
May 3
23° / 10°
Saturday
May 4
19° / 10°
Sunday
May 5
18° / 10°
Monday
May 6
20° / 8°
Tuesday
May 7
21° / 9°
Wednesday
May 8
26° / 11°
Thursday
May 9
24° / 8°
Friday
May 10
17° / 9°
Saturday
May 11
16° / 7°
Sunday
May 12
10° / 5°
Monday
May 13
15° / 2°
Tuesday
May 14
18° / 9°
Wednesday
May 15
7° / 4°
Thursday
May 16
12° / 1°
Friday
May 17
16° / 6°
Saturday
May 18
17° / 5°
Sunday
May 19
23° / 11°
Monday
May 20
21° / 10°
Tuesday
May 21
25° / 11°
Wednesday
May 22
25° / 13°
Thursday
May 23
20° / 10°
Friday
May 24
17° / 9°
Saturday
May 25
17° / 7°
Sunday
May 26
19° / 10°
Monday
May 27
21° / 11°
Tuesday
May 28
19° / 9°
Wednesday
May 29
16° / 7°
Thursday
May 30
21° / 10°
Friday
May 31
22° / 12°
Idaho 30 days weather forecast
Check out our estimated 30 days weather forecast for Idaho, this data is based on the average weather in Idaho in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Idaho next to the desired date.