W.carter / CC BY-SA 4.0
Boston, MA Weather on July 17
Boston hit 98°F on July 17, 1977, scorching the record books
July 17 in Boston typically brings warm summer conditions with an average high near 85°F, but the heat can be far more intense. In 1977, the city experienced a brutal 98°F high, nearly 13 degrees above the normal maximum. The record low of 59°F set in 1992 shows the dramatic temperature swings possible even in midsummer, with a 39-degree spread between the extreme records across 55 years of observations.
What to Expect on July 17
Planning for July 17th in Boston, MA? Stay hydrated and seek shade during peak afternoon hours.
Frequently Asked Questions
What was the warmest July 17 ever in Boston?
The warmest July 17 in Boston, MA reached 98°F in 1999. That is 13°F above the long-term average high of 85°F.
What was the coldest July 17 ever in Boston?
The coldest July 17 in Boston, MA dropped to 59°F in 2020. That is 9°F below the long-term average low of 68°F.
What is the average temperature on July 17 in Boston?
On July 17, Boston averages a high of 85°F and a low of 68°F based on 55 years of NOAA weather observations from BOSTON.
How many years of weather data are available for July 17 in Boston?
We have 55 years of weather records for July 17 in Boston, MA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 17 Weather History in Boston
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 72°F | 0" | -- |
| 2024 | 90°F | 74°F | 0.05" | -- |
| 2023 | 91°F | 73°F | 0" | -- |
| 2022 | 86°F | 67°F | 0" | -- |
| 2021 | 79°F | 70°F | 0.43" | -- |
| 2020 | 74°F | 59°F | 0.28" | -- |
| 2019 | 92°F | 74°F | 1.09" | -- |
| 2018 | 91°F | 69°F | 6.81" | -- |
| 2017 | 83°F | 68°F | 0" | -- |
| 2016 | 79°F | 68°F | 0" | -- |
| 2015 | 75°F | 60°F | 0" | -- |
| 2014 | 81°F | 67°F | 0" | -- |
| 2013 | 95°F | 73°F | 0" | -- |
| 2012 | 97°F | 76°F | 0" | -- |
| 2011 | 93°F | 71°F | 0" | -- |
| 2010 | 93°F | 74°F | 0" | -- |
| 2009 | 85°F | 68°F | 0" | -- |
| 2008 | 85°F | 69°F | 0" | -- |
| 2007 | 82°F | 65°F | 0" | -- |
| 2006 | 92°F | 70°F | 0" | -- |
| 2005 | 84°F | 69°F | 0" | -- |
| 2004 | 85°F | 69°F | 0" | -- |
| 2003 | 82°F | 66°F | 0" | -- |
| 2002 | 79°F | 60°F | 0" | -- |
| 2001 | 71°F | 62°F | 0.76" | -- |
| 2000 | 68°F | 59°F | 0" | -- |
| 1999 | 98°F | 75°F | 0" | -- |
| 1998 | 88°F | 72°F | 0.05" | -- |
| 1997 | 95°F | 72°F | 0.03" | -- |
| 1996 | 88°F | 73°F | 0" | -- |
| 1995 | 68°F | 62°F | 0.03" | -- |
| 1994 | 77°F | 66°F | 0" | -- |
| 1993 | 82°F | 59°F | 0" | -- |
| 1992 | 72°F | 59°F | 0" | -- |
| 1991 | 92°F | 70°F | 0" | -- |
| 1990 | 90°F | 72°F | 0" | -- |
| 1989 | 65°F | 60°F | 2.84" | -- |
| 1988 | 93°F | 64°F | 1.27" | -- |
| 1987 | 76°F | 61°F | 0" | -- |
| 1986 | 83°F | 65°F | 0" | -- |
| 1985 | 76°F | 66°F | 0" | -- |
| 1984 | 86°F | 70°F | 0" | -- |
| 1983 | 92°F | 71°F | 0" | -- |
| 1982 | 97°F | 73°F | 0" | -- |
| 1981 | 81°F | 69°F | 0" | -- |
| 1980 | 93°F | 73°F | 0" | -- |
| 1979 | 78°F | 67°F | 0.05" | -- |
| 1978 | 70°F | 61°F | 0.66" | -- |
| 1977 | 98°F | 71°F | 0" | -- |
| 1976 | 88°F | 69°F | 0.41" | -- |
| 1975 | 90°F | 72°F | 0" | -- |
| 1974 | 80°F | 62°F | 0" | -- |
| 1973 | 79°F | 62°F | 0" | -- |
| 1972 | 92°F | 72°F | 0" | -- |
| 1971 | 84°F | 68°F | 0.94" | -- |
Based on 55 years of data from NOAA station: BOSTON
How Has July 17 Changed?
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for Boston, MA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.