Fort Collins climate

Fort Collins Weather in August

NOAA 1991-2020 normals for Ft Collins, 1 km from Fort Collins

Average highs run from 87°F on August 1 to 83°F on August 31, and lows from 59°F to 53°F. Normal precipitation for the month is 1.45 in over about 9 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Fort Collins, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
57°F
Precipitation
1.45 in
Record high
106°FAug 3, 2026
Record low
38°FAug 27, 1992
Chance of a freeze
0%
Days of 90°F or more
8.3
Daylight
14 h 18 min to 13 h 07 min
Cloud cover
51%
Humidity
45%
Dew point
46°F
Wind
6.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 187°F59°F97°F 201143°F 199532%0%
Aug 287°F59°F101°F 200849°F 199532%0%
Aug 387°F59°F106°F 202649°F 199332%0%
Aug 487°F59°F100°F 202646°F 199332%0%
Aug 587°F59°F103°F 202448°F 199331%0%
Aug 687°F59°F100°F 202247°F 199331%0%
Aug 786°F58°F102°F 199548°F 199331%0%
Aug 886°F58°F102°F 202550°F 200531%0%
Aug 986°F58°F103°F 202650°F 201331%0%
Aug 1086°F58°F101°F 202650°F 201330%0%
Aug 1186°F58°F99°F 202650°F 200930%0%
Aug 1286°F58°F102°F 202644°F 200430%0%
Aug 1386°F57°F96°F 202244°F 200429%0%
Aug 1485°F57°F101°F 200746°F 202329%0%
Aug 1585°F57°F103°F 202546°F 202329%0%
Aug 1685°F57°F98°F 201544°F 200929%0%
Aug 1785°F57°F100°F 202344°F 200928%
Aug 1885°F56°F98°F 202444°F 200928%
Aug 1985°F56°F100°F 202044°F 201528%
Aug 2085°F56°F99°F 201943°F 201528%
Aug 2184°F56°F100°F 201944°F 201627%
Aug 2284°F55°F106°F 202644°F 201627%
Aug 2384°F55°F101°F 202043°F 201527%
Aug 2484°F55°F98°F 201143°F 201526%
Aug 2584°F55°F97°F 202646°F 201526%
Aug 2684°F55°F98°F 201947°F 199226%
Aug 2783°F54°F98°F 202038°F 199226%
Aug 2883°F54°F96°F 202640°F 200426%
Aug 2983°F54°F98°F 202640°F 200425%
Aug 3083°F53°F98°F 201243°F 199325%
Aug 3183°F53°F97°F 201542°F 199325%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fort Collins, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 5:57 AM, sunset 8:15 PM
August 31
sunrise 6:27 AM, sunset 7:34 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053005 (Ft Collins), public domain. Records: NOAA GHCN-Daily, station USC00055236, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.