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Weather Fort Collins: Current forecast

Fort Collins / Colorado (CO) / United States

21.4 °C
Feels like 19.9 °C
Min 18 °C / Max 32 °C
Weather Fort Collins: Clear, 21 °C Clear
3.6 km/h NE
Wind
4.1 km/h NE
Gusts
1011 hPa
Pressure
0 mm
Precipitation
37 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
06:27 / 19:33
Sunrise / Sunset
21:25 / 11:13
Moonrise / Moonset
Waning Moon (70 %)
Moon phase

Updated: Sep 2, 2026, 5:41 CEST Sep 1, 2026, 21:41 MDT

Today's Summary

If you head out in Fort Collins today, you'll see a clear sky. The thermometer currently shows 21.4°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 17.7°C and 31.9°C.

Hourly forecast – Fort Collins, today

Sep 1, 22:00
20 °C
Overcast
Fort Collins Sep 1, 22:00: Overcast, 20 °C
Sep 1, 23:00
22 °C
Partly cloudy
Fort Collins Sep 1, 23:00: Partly cloudy, 22 °C
Sep 2, 00:00
21 °C
Clear
Fort Collins Sep 2, 00:00: Clear, 21 °C
Sep 2, 01:00
21 °C
Clear
Fort Collins Sep 2, 01:00: Clear, 21 °C
Sep 2, 02:00
20 °C
Clear
Fort Collins Sep 2, 02:00: Clear, 20 °C
Sep 2, 03:00
19 °C
Clear
Fort Collins Sep 2, 03:00: Clear, 19 °C
Sep 2, 04:00
19 °C
Clear
Fort Collins Sep 2, 04:00: Clear, 19 °C
Sep 2, 05:00
19 °C
Sunny
Fort Collins Sep 2, 05:00: Sunny, 19 °C
Sep 2, 06:00
22 °C
Sunny
Fort Collins Sep 2, 06:00: Sunny, 22 °C
Sep 2, 07:00
24 °C
Sunny
Fort Collins Sep 2, 07:00: Sunny, 24 °C
Sep 2, 08:00
27 °C
Sunny
Fort Collins Sep 2, 08:00: Sunny, 27 °C
Sep 2, 09:00
29 °C
Sunny
Fort Collins Sep 2, 09:00: Sunny, 29 °C
Sep 2, 10:00
31 °C
Sunny
Fort Collins Sep 2, 10:00: Sunny, 31 °C
Sep 2, 11:00
32 °C
Cloudy
Fort Collins Sep 2, 11:00: Cloudy, 32 °C
Sep 2, 12:00
33 °C
Overcast
Fort Collins Sep 2, 12:00: Overcast, 33 °C
Sep 2, 13:00
32 °C
Partly cloudy
Fort Collins Sep 2, 13:00: Partly cloudy, 32 °C
Sep 2, 14:00
32 °C
Overcast
Fort Collins Sep 2, 14:00: Overcast, 32 °C
Sep 2, 15:00
30 °C
Overcast
Fort Collins Sep 2, 15:00: Overcast, 30 °C
Sep 2, 16:00
28 °C
Overcast
Fort Collins Sep 2, 16:00: Overcast, 28 °C
Sep 2, 17:00
28 °C
Patchy rain possible
Fort Collins Sep 2, 17:00: Patchy rain possible, 28 °C
Sep 2, 18:00
24 °C
Patchy rain possible
Fort Collins Sep 2, 18:00: Patchy rain possible, 24 °C
Sep 2, 19:00
24 °C
Patchy rain possible
Fort Collins Sep 2, 19:00: Patchy rain possible, 24 °C
Sep 2, 20:00
22 °C
Patchy rain possible
Fort Collins Sep 2, 20:00: Patchy rain possible, 22 °C
Sep 2, 21:00
21 °C
Partly cloudy
Fort Collins Sep 2, 21:00: Partly cloudy, 21 °C
Time
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Fort Collins Sep 1, 22:00: Overcast
Fort Collins Sep 1, 23:00: Partly cloudy
Fort Collins Sep 2, 00:00: Clear
Fort Collins Sep 2, 01:00: Clear
Fort Collins Sep 2, 02:00: Clear
Fort Collins Sep 2, 03:00: Clear
Fort Collins Sep 2, 04:00: Clear
Fort Collins Sep 2, 05:00: Sunny
Fort Collins Sep 2, 06:00: Sunny
Fort Collins Sep 2, 07:00: Sunny
Fort Collins Sep 2, 08:00: Sunny
Fort Collins Sep 2, 09:00: Sunny
Fort Collins Sep 2, 10:00: Sunny
Fort Collins Sep 2, 11:00: Cloudy
Fort Collins Sep 2, 12:00: Overcast
Fort Collins Sep 2, 13:00: Partly cloudy
Fort Collins Sep 2, 14:00: Overcast
Fort Collins Sep 2, 15:00: Overcast
Fort Collins Sep 2, 16:00: Overcast
Fort Collins Sep 2, 17:00: Patchy rain possible
Fort Collins Sep 2, 18:00: Patchy rain possible
Fort Collins Sep 2, 19:00: Patchy rain possible
Fort Collins Sep 2, 20:00: Patchy rain possible
Fort Collins Sep 2, 21:00: Partly cloudy
Temperature (°C)
Chance of rain (%)
8
2
1
1
1
1
1
1
1
0
0
0
1
6
9
3
8
9
9
10
6
9
7
2
Precipitation
0 mm
0 mm
0 mm
0 mm
Wind (km/h)
NW
1
NNW
9
NNW
11
NNW
7
NNW
3
WNW
4
W
4
SW
4
SW
4
S
7
SSE
9
SE
10
SE
13
SE
20
SSE
26
SSE
29
S
31
SSW
29
SSW
27
SSW
24
NW
19
N
13
NW
7
N
3
Pressure (hPa)
1012
1012
1011
1011
1011
1012
1012
1013
1013
1012
1012
1011
1009
1008
1007
1006
1005
1006
1006
1006
1009
1009
1010
1010
Humidity (%)
38 %
35 %
36 %
36 %
38 %
38 %
38 %
36 %
30 %
26 %
22 %
19 %
16 %
15 %
15 %
15 %
15 %
18 %
21 %
20 %
31 %
30 %
35 %
38 %
Cloud cover (%)
89 %
27 %
14 %
5 %
5 %
6 %
9 %
8 %
2 %
0 %
0 %
0 %
5 %
74 %
100 %
46 %
96 %
100 %
99 %
98 %
58 %
89 %
71 %
26 %

14-day weather forecast – Fort Collins

14-day trend for Fort Collins: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 9.5°C at night, with daytime highs up to 35°C.

Date
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
Fort Collins September 1, 2026: Overcast
Fort Collins September 2, 2026: Sunny
Fort Collins September 3, 2026: Sunny
Fort Collins September 4, 2026: Sunny
Fort Collins September 5, 2026: Overcast
Fort Collins September 6, 2026: Overcast
Fort Collins September 7, 2026: Overcast
Fort Collins September 8, 2026: Overcast
Fort Collins September 9, 2026: Sunny
Fort Collins September 10, 2026: Sunny
Fort Collins September 11, 2026: Sunny
Fort Collins September 12, 2026: Sunny
Fort Collins September 13, 2026: Sunny
Fort Collins September 14, 2026: Sunny
Temperature (°C)
Chance of rain (%)
57
17
17
4
8
8
36
4
17
57
1
4
6
1
Precipitation
2.2 mm
0.1 mm
0.1 mm
0 mm
0 mm
0.4 mm
0.2 mm
1 mm
0 mm
0 mm
Wind max (km/h)
18
31
26
34
12
22
15
22
22
35
16
22
19
20
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
September 1, 2026 Fort Collins September 1, 2026: Overcast Overcast 18 °C 32 °C 06:27 19:33 21:25 11:13 Waning Moon (70 %)
September 2, 2026 Fort Collins September 2, 2026: Sunny Sunny 19 °C 33 °C 06:28 19:31 21:57 12:21 Last Quarter (60 %)
September 3, 2026 Fort Collins September 3, 2026: Sunny Sunny 18 °C 34 °C 06:29 19:29 22:37 13:32 Last Quarter (50 %)
September 4, 2026 Fort Collins September 4, 2026: Sunny Sunny 19 °C 35 °C 06:30 19:28 23:29 14:41 Last Quarter (39 %)
September 5, 2026 Fort Collins September 5, 2026: Overcast Overcast 20 °C 33 °C 06:31 19:26 Does not rise today 15:44 Waning Crescent (29 %)
September 6, 2026 Fort Collins September 6, 2026: Overcast Overcast 21 °C 32 °C 06:32 19:24 00:32 16:39 Waning Crescent (20 %)
September 7, 2026 Fort Collins September 7, 2026: Overcast Overcast 20 °C 32 °C 06:33 19:23 01:46 17:23 Waning Crescent (12 %)
September 8, 2026 Fort Collins September 8, 2026: Overcast Overcast 18 °C 35 °C 06:34 19:21 03:05 18:00 Waning Crescent (6 %)
September 9, 2026 Fort Collins September 9, 2026: Sunny Sunny 15 °C 29 °C 06:35 19:19 04:25 18:30 New Moon (2 %)
September 10, 2026 Fort Collins September 10, 2026: Sunny Sunny 15 °C 25 °C 06:36 19:18 05:45 18:57 New Moon (0 %)
September 11, 2026 Fort Collins September 11, 2026: Sunny Sunny 10 °C 27 °C 06:37 19:16 07:02 19:22 New Moon (0 %)
September 12, 2026 Fort Collins September 12, 2026: Sunny Sunny 12 °C 22 °C 06:38 19:14 08:17 19:47 New Moon (3 %)
September 13, 2026 Fort Collins September 13, 2026: Sunny Sunny 12 °C 21 °C 06:39 19:13 09:31 20:13 Waxing Crescent (8 %)
September 14, 2026 Fort Collins September 14, 2026: Sunny Sunny 12 °C 27 °C 06:40 19:11 10:45 20:43 Waxing Crescent (14 %)