Johnstown climate

Johnstown Weather in August

NOAA 1991-2020 normals for Loveland 2N, 18.3 km from Johnstown

Average highs run from 89°F on August 1 to 84°F on August 31, and lows from 56°F to 49°F. Normal precipitation for the month is 1.29 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 Johnstown, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
87°F
Average low
53°F
Precipitation
1.29 in
Record high
106°FAug 3, 2026
Record low
38°FAug 27, 1992
Chance of a freeze
0%
Days of 90°F or more
11.3
Daylight
14 h 17 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 189°F56°F97°F 201143°F 199532%0%
Aug 288°F56°F101°F 200849°F 199532%0%
Aug 388°F55°F106°F 202649°F 199332%0%
Aug 488°F55°F100°F 202646°F 199331%0%
Aug 588°F55°F103°F 202448°F 199331%0%
Aug 688°F55°F100°F 202247°F 199331%0%
Aug 788°F55°F102°F 199548°F 199331%0%
Aug 888°F55°F102°F 202550°F 200531%0%
Aug 988°F55°F103°F 202650°F 201331%0%
Aug 1088°F54°F101°F 202650°F 201331%0%
Aug 1188°F54°F99°F 202650°F 200930%0%
Aug 1287°F54°F102°F 202644°F 200430%0%
Aug 1387°F54°F96°F 202244°F 200430%0%
Aug 1487°F54°F101°F 200746°F 202330%0%
Aug 1587°F53°F103°F 202546°F 202330%0%
Aug 1687°F53°F98°F 201544°F 200930%0%
Aug 1787°F53°F100°F 202344°F 200929%0%
Aug 1887°F53°F98°F 202444°F 200929%0%
Aug 1987°F53°F100°F 202044°F 201529%0%
Aug 2086°F52°F99°F 201943°F 201529%0%
Aug 2186°F52°F100°F 201944°F 201629%0%
Aug 2286°F52°F106°F 202644°F 201629%0%
Aug 2386°F52°F101°F 202043°F 201528%0%
Aug 2486°F51°F98°F 201143°F 201528%0%
Aug 2586°F51°F97°F 202646°F 201528%0%
Aug 2685°F51°F98°F 201947°F 199228%0%
Aug 2785°F50°F98°F 202038°F 199228%0%
Aug 2885°F50°F96°F 202640°F 200428%0%
Aug 2985°F50°F98°F 202640°F 200428%0%
Aug 3085°F50°F98°F 201243°F 199328%0%
Aug 3184°F49°F97°F 201542°F 199327%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnstown, 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 8:14 PM
August 31
sunrise 6:26 AM, sunset 7:33 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00055236 (Loveland 2N), 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.