Boston weather in June: Boston, Massachusetts: normal highs, lows, rain and records for June
Boston in June has a normal high of 76°F and a normal low of 60°F, a daily mean of 68°F, rising from 71°F on the 1st to 81°F by the 30th. Measurable precipitation falls on 11 days in a normal June, 3.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 15°C, 99 mm of precipitation in June.
- NOAA stationBoston Logan International Airport
- Station IDUSW00014739
- Location42.36°N 71.01°W
- Elevation12 ft (4 m)
- From the center2 miles
- Population673,458
- Jan 37° 23°
- Feb 39° 25°
- Mar 46° 31°
- Apr 56° 41°
- May 67° 50°
- Jun 76° 60°
- Jul 82° 66°
- Aug 80° 65°
- Sep 73° 58°
- Oct 62° 48°
- Nov 52° 38°
- Dec 42° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Boston in June?
The normal high is 76°F and the normal low 60°F, for a daily mean of 68.0°F. June is 9.6°F warmer than May and 6.1°F cooler than July. June is the 3rd warmest month of the year in Boston and the 4th wettest. Across the month the normal high rises 10°F, from 71°F on June 1 to 81°F on June 30. From one year to the next June's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Junes in three average between 66°F and 70°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 71°F | 55°F | 37% | 23% |
| June 8 | 74°F | 57°F | 36% | 22% |
| June 15 | 76°F | 60°F | 35% | 21% |
| June 22 | 79°F | 62°F | 34% | 20% |
| June 30 | 81°F | 64°F | 33% | 20% |
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| June 1 | 71°F | 55°F | 37% | 23% | 15 h |
| June 2 | 72°F | 55°F | 37% | 23% | 15 h |
| June 3 | 72°F | 56°F | 37% | 23% | 15 h 10 min |
| June 4 | 72°F | 56°F | 37% | 23% | 15 h 10 min |
| June 5 | 73°F | 56°F | 37% | 23% | 15 h 10 min |
| June 6 | 73°F | 57°F | 37% | 23% | 15 h 10 min |
| June 7 | 73°F | 57°F | 36% | 23% | 15 h 10 min |
| June 8 | 74°F | 57°F | 36% | 22% | 15 h 10 min |
| June 9 | 74°F | 58°F | 36% | 22% | 15 h 10 min |
| June 10 | 74°F | 58°F | 36% | 22% | 15 h 10 min |
| June 11 | 75°F | 58°F | 36% | 22% | 15 h 10 min |
| June 12 | 75°F | 59°F | 36% | 22% | 15 h 10 min |
| June 13 | 76°F | 59°F | 35% | 22% | 15 h 10 min |
| June 14 | 76°F | 59°F | 35% | 22% | 15 h 20 min |
| June 15 | 76°F | 60°F | 35% | 21% | 15 h 20 min |
| June 16 | 77°F | 60°F | 35% | 21% | 15 h 20 min |
| June 17 | 77°F | 60°F | 35% | 21% | 15 h 20 min |
| June 18 | 77°F | 61°F | 35% | 21% | 15 h 20 min |
| June 19 | 78°F | 61°F | 35% | 21% | 15 h 20 min |
| June 20 | 78°F | 61°F | 35% | 21% | 15 h 20 min |
| June 21 | 78°F | 62°F | 34% | 21% | 15 h 20 min |
| June 22 | 79°F | 62°F | 34% | 20% | 15 h 20 min |
| June 23 | 79°F | 62°F | 34% | 20% | 15 h 20 min |
| June 24 | 79°F | 63°F | 34% | 20% | 15 h 20 min |
| June 25 | 79°F | 63°F | 34% | 20% | 15 h 20 min |
| June 26 | 80°F | 63°F | 34% | 20% | 15 h 20 min |
| June 27 | 80°F | 63°F | 34% | 20% | 15 h 20 min |
| June 28 | 80°F | 64°F | 33% | 20% | 15 h 20 min |
| June 29 | 80°F | 64°F | 33% | 20% | 15 h 20 min |
| June 30 | 81°F | 64°F | 33% | 20% | 15 h 20 min |
- Normal high
- 76°FJune average
- Normal low
- 60°FJune average
- Precipitation
- 3.89 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 15 h to 15 h 20 minJune 1 to June 30
- Days at 70°F or more
- 23
- Days at 80°F or more
- 12
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014739; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Boston in June?
On a given June day the chance of 0.01 inch or more is 35% on average, highest around June 1 (37%). In all, 3.89 in falls on 11 days of a normal June, 1 of them with an inch or more.
In a normal June in Boston, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014739.
How humid and windy is Boston in June?
At 3 p.m. the normal temperature is 78°F with 54% relative humidity and a dew point of 60°F; at 6 a.m. it is 68°F with 75% humidity. The wind averages 10.2 mph, most often from the south in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 68°F | 60°F | 75% | 8.6 mph | 38% |
| 9 a.m. | 74°F | 60°F | 62% | 9.7 mph | 36% |
| noon | 78°F | 60°F | 55% | 11.9 mph | 22% |
| 3 p.m. | 78°F | 60°F | 54% | 13.0 mph | – |
| 6 p.m. | 75°F | 60°F | 59% | 11.7 mph | 21% |
| 9 p.m. | 72°F | 61°F | 68% | 9.6 mph | 34% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014739. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for June in Boston?
The warmest June temperature on Boston's official record (since 1872) is 102°F, on June 24, 2025; the coldest is 41°F, on June 1, 1945. The wettest June brought 13.20 in (1982).
The June mean against the 1991-2020 normal of 68.0°F: 2021 74.3°F (+6.3), 2022 67.9°F (−0.1), 2023 65.9°F (−2.1), 2024 70.9°F (+2.9), 2025 69.6°F (+1.6), 2026 71.8°F (+3.8). 4 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.3°F | +6.3°F | 2.57 in |
| 2022 | 67.9°F | −0.1°F | 2.33 in |
| 2023 | 65.9°F | −2.1°F | 3.44 in |
| 2024 | 70.9°F | +2.9°F | 4.04 in |
| 2025 | 69.6°F | +1.6°F | 1.32 in |
| 2026 | 71.8°F | +3.8°F | 1.46 in |
Source: records: ACIS, NWS threaded record BOSthr; recent months: ACIS, station USW00014739. Records and recent months use complete months only.
How does June in Boston compare across Massachusetts?
Across the 35 places PlainClimate covers in Massachusetts, June normal highs run from 69°F in Nantucket to 81°F in Maynard; Boston's is 76°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.