Nashua Weather in August
Average highs run from 84°F on August 1 to 80°F on August 31, and lows from 61°F to 57°F. Normal precipitation for the month is 3.91 in over about 9 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 83°F
- Average low
- 59°F
- Precipitation
- 3.91 in
- Record high
- 105°FAug 27, 1948
- Record low
- 31°FAug 24, 1940
- Chance of a freeze
- 0%
- Days of 90°F or more
- 3.8
- Daylight
- 14 h 29 min to 13 h 12 min
- Cloud cover
- 57%
- Humidity
- 75%
- Dew point
- 60°F
- Wind
- 3.6 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 84°F | 61°F | 100°F 1917 | 40°F 1964 | 33% | 0% |
| Aug 2 | 84°F | 61°F | 100°F 1975 | 40°F 1953 | 33% | 0% |
| Aug 3 | 84°F | 61°F | 98°F 2006 | 39°F 1953 | 33% | 0% |
| Aug 4 | 84°F | 61°F | 97°F 1944 | 43°F 1900 | 33% | 0% |
| Aug 5 | 84°F | 61°F | 100°F 1955 | 42°F 1933 | 33% | 0% |
| Aug 6 | 84°F | 61°F | 95°F 1900 | 40°F 1951 | 33% | 0% |
| Aug 7 | 84°F | 61°F | 94°F 1916 | 43°F 1951 | 32% | 0% |
| Aug 8 | 84°F | 61°F | 97°F 1916 | 39°F 1929 | 32% | 0% |
| Aug 9 | 84°F | 60°F | 96°F 2022 | 42°F 1899 | 32% | 0% |
| Aug 10 | 83°F | 60°F | 99°F 1949 | 40°F 1964 | 32% | 0% |
| Aug 11 | 83°F | 60°F | 99°F 1944 | 40°F 1972 | 32% | 0% |
| Aug 12 | 83°F | 60°F | 99°F 1944 | 39°F 1930 | 32% | 0% |
| Aug 13 | 83°F | 60°F | 100°F 1944 | 40°F 1930 | 31% | 0% |
| Aug 14 | 83°F | 60°F | 97°F 1947 | 41°F 1964 | 31% | 0% |
| Aug 15 | 83°F | 60°F | 99°F 2002 | 41°F 1964 | 31% | 0% |
| Aug 16 | 83°F | 60°F | 97°F 1944 | 41°F 1972 | 31% | 0% |
| Aug 17 | 83°F | 59°F | 98°F 1913 | 37°F 1941 | 31% | 0% |
| Aug 18 | 83°F | 59°F | 97°F 1935 | 43°F 1960 | 30% | 0% |
| Aug 19 | 83°F | 59°F | 94°F 1899 | 40°F 1968 | 30% | 0% |
| Aug 20 | 82°F | 59°F | 95°F 1937 | 40°F 1964 | 30% | 0% |
| Aug 21 | 82°F | 59°F | 94°F 1916 | 38°F 1929 | 30% | 0% |
| Aug 22 | 82°F | 59°F | 94°F 1916 | 35°F 1982 | 29% | 0% |
| Aug 23 | 82°F | 58°F | 94°F 1916 | 39°F 1886 | 29% | 0% |
| Aug 24 | 82°F | 58°F | 95°F 1947 | 31°F 1940 | 29% | 0% |
| Aug 25 | 82°F | 58°F | 95°F 1947 | 36°F 1942 | 29% | 0% |
| Aug 26 | 81°F | 58°F | 97°F 1900 | 37°F 1940 | 28% | 0% |
| Aug 27 | 81°F | 58°F | 105°F 1948 | 35°F 1954 | 28% | 0% |
| Aug 28 | 81°F | 57°F | 100°F 1948 | 35°F 1941 | 28% | 0% |
| Aug 29 | 81°F | 57°F | 99°F 1948 | 37°F 1982 | 28% | 0% |
| Aug 30 | 81°F | 57°F | 95°F 1953 | 35°F 1934 | 28% | 0% |
| Aug 31 | 80°F | 57°F | 94°F 1953 | 31°F 1965 | 28% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 5:37 AM, sunset 8:06 PM
- August 31
- sunrise 6:10 AM, sunset 7:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00275712 (Nashua 2 Nnw), public domain. Records: NOAA GHCN-Daily, station USC00275712, 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.