The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Grant, CO
Content continues below
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
5°
19
6°
20
7°
21
11°
22
12°
23
11°
24
16°
25
18°
26
13°
27
15°
28
17°
29
17°
30
19°
31
17°
Forecast
Monday, May 18, 2026
Day
5°
Feels 2
Wind
19 km/h S
Gust
29 km/h
Humidity
65%
P.O.P
90%
Snow
<1 cm
Rain
~5 mm
Night
-4°
Feels -5
Wind
9 km/h SW
Gust
14 km/h
Humidity
95%
P.O.P
30%
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
11°
Feels 10
Low
-1°
Feels -5
Average Precipitation
13 Days
Rain amount
74.7mm
Snow amount
36cm