Johnston Weather in June
Average highs run from 87°F on June 1 to 92°F on June 30, and lows from 62°F to 68°F. Normal precipitation for the month is 5.12 in over about 10 wet days.
June day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
June at a glance
- Average high
- 90°F
- Average low
- 65°F
- Precipitation
- 5.12 in
- Record high
- 108°FJun 27, 1954
- Record low
- 42°FJun 5, 1988
- Chance of a freeze
- 0%
- Days of 90°F or more
- 17.3
- Daylight
- 14 h 16 min to 14 h 22 min
- Cloud cover
- 56%
- Humidity
- 70%
- Dew point
- 66°F
- Wind
- 4.0 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 |
|---|---|---|---|---|---|---|
| Jun 1 | 87°F | 62°F | 100°F 1902 | 48°F 1984 | 30% | 0% |
| Jun 2 | 87°F | 62°F | 101°F 1902 | 46°F 1983 | 31% | 0% |
| Jun 3 | 87°F | 63°F | 103°F 2002 | 53°F 1972 | 31% | 0% |
| Jun 4 | 87°F | 63°F | 103°F 1985 | 51°F 1929 | 31% | 0% |
| Jun 5 | 88°F | 63°F | 102°F 1943 | 42°F 1988 | 32% | 0% |
| Jun 6 | 88°F | 63°F | 101°F 1985 | 50°F 1988 | 32% | 0% |
| Jun 7 | 88°F | 64°F | 98°F 1902 | 50°F 2000 | 32% | 0% |
| Jun 8 | 88°F | 64°F | 103°F 1985 | 49°F 1991 | 32% | 0% |
| Jun 9 | 88°F | 64°F | 103°F 1993 | 52°F 1991 | 33% | 0% |
| Jun 10 | 89°F | 64°F | 104°F 1993 | 50°F 1913 | 33% | 0% |
| Jun 11 | 89°F | 65°F | 103°F 1911 | 48°F 1913 | 33% | 0% |
| Jun 12 | 89°F | 65°F | 101°F 1993 | 47°F 1972 | 33% | 0% |
| Jun 13 | 89°F | 65°F | 100°F 2002 | 50°F 1913 | 33% | 0% |
| Jun 14 | 90°F | 65°F | 103°F 2000 | 53°F 1988 | 34% | 0% |
| Jun 15 | 90°F | 65°F | 104°F 2000 | 49°F 1985 | 34% | 0% |
| Jun 16 | 90°F | 66°F | 101°F 1943 | 55°F 1988 | 34% | 0% |
| Jun 17 | 90°F | 66°F | 102°F 1936 | 57°F 1917 | 34% | 0% |
| Jun 18 | 90°F | 66°F | 101°F 1944 | 55°F 1974 | 34% | 0% |
| Jun 19 | 91°F | 66°F | 102°F 1952 | 55°F 1961 | 34% | 0% |
| Jun 20 | 91°F | 66°F | 103°F 1970 | 50°F 1995 | 34% | 0% |
| Jun 21 | 91°F | 66°F | 107°F 1990 | 54°F 1985 | 34% | 0% |
| Jun 22 | 91°F | 67°F | 105°F 1990 | 56°F 1966 | 34% | 0% |
| Jun 23 | 91°F | 67°F | 107°F 1914 | 53°F 1947 | 34% | 0% |
| Jun 24 | 91°F | 67°F | 104°F 1914 | 54°F 1947 | 34% | 0% |
| Jun 25 | 92°F | 67°F | 104°F 1914 | 55°F 1990 | 34% | 0% |
| Jun 26 | 92°F | 67°F | 104°F 1952 | 58°F 1940 | 35% | 0% |
| Jun 27 | 92°F | 67°F | 108°F 1954 | 60°F 1902 | 35% | 0% |
| Jun 28 | 92°F | 67°F | 105°F 1954 | 51°F 1968 | 35% | 0% |
| Jun 29 | 92°F | 68°F | 104°F 1936 | 52°F 1979 | 35% | 0% |
| Jun 30 | 92°F | 68°F | 106°F 1959 | 51°F 1981 | 35% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- June 1
- sunrise 6:17 AM, sunset 8:33 PM
- June 30
- sunrise 6:20 AM, sunset 8:42 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00384607 (Johnston 4 Sw), public domain. Records: NOAA GHCN-Daily, station USC00380074, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.