Westernport Weather in May
Average highs run from 72°F on May 1 to 79°F on May 31, and lows from 42°F to 52°F. Normal precipitation for the month is 4.54 in over about 16 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 76°F
- Average low
- 47°F
- Precipitation
- 4.54 in
- Record high
- 89°FMay 12, 1944
- Record low
- 17°FMay 2, 1943
- Chance of a freeze
- 45%
- Days of 90°F or more
- 3.3
- Daylight
- 13 h 53 min to 14 h 46 min
- Cloud cover
- 66%
- Humidity
- 77%
- Dew point
- 52°F
- Wind
- 4.3 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 |
|---|---|---|---|---|---|---|
| May 1 | 72°F | 42°F | 88°F 1942 | 20°F 1978 | 51% | |
| May 2 | 73°F | 43°F | 87°F 2019 | 17°F 1943 | 51% | |
| May 3 | 73°F | 43°F | 86°F 1942 | 23°F 1963 | 51% | |
| May 4 | 73°F | 43°F | 85°F 1905 | 21°F 1941 | 51% | |
| May 5 | 73°F | 44°F | 86°F 1913 | 20°F 1910 | 51% | |
| May 6 | 74°F | 44°F | 87°F 1949 | 18°F 1910 | 51% | |
| May 7 | 74°F | 44°F | 84°F 1930 | 21°F 1968 | 51% | |
| May 8 | 74°F | 45°F | 85°F 1936 | 24°F 1956 | 51% | 0% |
| May 9 | 74°F | 45°F | 84°F 1927 | 23°F 2020 | 51% | 0% |
| May 10 | 74°F | 45°F | 85°F 1936 | 18°F 1947 | 51% | 0% |
| May 11 | 75°F | 46°F | 88°F 1936 | 20°F 1966 | 51% | 0% |
| May 12 | 75°F | 46°F | 89°F 1944 | 18°F 1913 | 51% | 0% |
| May 13 | 75°F | 46°F | 85°F 1957 | 20°F 1941 | 51% | 0% |
| May 14 | 75°F | 47°F | 86°F 1974 | 24°F 1928 | 51% | 0% |
| May 15 | 75°F | 47°F | 84°F 1911 | 25°F 1920 | 51% | 0% |
| May 16 | 75°F | 47°F | 86°F 2018 | 22°F 1920 | 51% | 0% |
| May 17 | 76°F | 48°F | 85°F 1911 | 24°F 1984 | 51% | 0% |
| May 18 | 76°F | 48°F | 87°F 1911 | 27°F 1955 | 51% | 0% |
| May 19 | 76°F | 48°F | 88°F 1911 | 27°F 2009 | 51% | 0% |
| May 20 | 76°F | 48°F | 88°F 1911 | 27°F 1945 | 50% | 0% |
| May 21 | 76°F | 49°F | 89°F 1911 | 27°F 1905 | 50% | 0% |
| May 22 | 77°F | 49°F | 89°F 1911 | 24°F 2002 | 50% | 0% |
| May 23 | 77°F | 49°F | 86°F 1925 | 29°F 1929 | 50% | 0% |
| May 24 | 77°F | 50°F | 85°F 1939 | 25°F 1963 | 50% | 0% |
| May 25 | 77°F | 50°F | 88°F 1914 | 26°F 1941 | 50% | 0% |
| May 26 | 78°F | 50°F | 89°F 1939 | 27°F 1917 | 49% | 0% |
| May 27 | 78°F | 51°F | 86°F 2012 | 25°F 1925 | 49% | 0% |
| May 28 | 78°F | 51°F | 87°F 2012 | 30°F 1927 | 49% | 0% |
| May 29 | 78°F | 51°F | 88°F 2006 | 27°F 1936 | 49% | 0% |
| May 30 | 79°F | 52°F | 88°F 1919 | 26°F 1932 | 49% | 0% |
| May 31 | 79°F | 52°F | 89°F 1919 | 30°F 1947 | 48% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- May 1
- sunrise 6:17 AM, sunset 8:10 PM
- May 31
- sunrise 5:51 AM, sunset 8:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00464840 (Keyser 2 Ssw), public domain. Records: NOAA GHCN-Daily, station USC00186620, 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.