Wing-Chi Poon / CC BY-SA 2.5
Hartford, CT Weather on August 25
August 25th in Hartford, CT typically brings warm summer weather, with average highs around 81°F and lows near 61°F. Over 55 years of records, the warmest August 25th was in 1998 (82°F average), while the coldest was 1988 (59°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 33% of August 25th dates historically, with the wettest August 25th recording 0.91" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
What to Expect on August 25
Planning for August 25th in Hartford, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
August 25 Weather Records for Hartford
- •The all-time record high for August 25th in Hartford, CT is 93°F, set in 2021.
- •The coldest August 25th on record dropped to 47°F in 1971.
- •Temperatures have reached 90°F or higher on August 25th in 6 of the last 55 years.
- •Last year (1971), August 25th was 5°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest August 25 ever in Hartford?
The warmest August 25 in Hartford, CT reached 93°F in 2021. That is 12°F above the long-term average high of 81°F.
What was the coldest August 25 ever in Hartford?
The coldest August 25 in Hartford, CT dropped to 47°F in 1971. That is 14°F below the long-term average low of 61°F.
What is the average temperature on August 25 in Hartford?
On August 25, Hartford averages a high of 81°F and a low of 61°F based on 55 years of NOAA weather observations from HARTFORD BRAINARD FLD.
How many years of weather data are available for August 25 in Hartford?
We have 55 years of weather records for August 25 in Hartford, CT, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 25 Weather History in Hartford
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 85°F | 65°F | 0" | -- |
| 2024 | 85°F | 60°F | 0" | -- |
| 2023 | 75°F | 67°F | 0.15" | -- |
| 2022 | 91°F | 66°F | 0" | -- |
| 2021 | 93°F | 67°F | 0" | -- |
| 2020 | 93°F | 71°F | 0.01" | -- |
| 2019 | 74°F | 57°F | 0" | -- |
| 2018 | 80°F | 61°F | 0" | -- |
| 2017 | 78°F | 59°F | 0" | -- |
| 2016 | 87°F | 69°F | 0" | -- |
| 2015 | 85°F | 70°F | 0.01" | -- |
| 2014 | 87°F | 57°F | 0" | -- |
| 2013 | 83°F | 54°F | 0" | -- |
| 2012 | 84°F | 65°F | 0" | -- |
| 2011 | 82°F | 71°F | 0.11" | -- |
| 2010 | 76°F | 64°F | 0.08" | -- |
| 2009 | 86°F | 66°F | 0" | -- |
| 2008 | 83°F | 63°F | 0.01" | -- |
| 2007 | 88°F | 72°F | 0" | -- |
| 2006 | 68°F | 64°F | 0.5" | -- |
| 2005 | 83°F | 56°F | 0" | -- |
| 2004 | 78°F | 56°F | 0" | -- |
| 2003 | 83°F | 60°F | 0" | -- |
| 2002 | 83°F | 57°F | 0" | -- |
| 2001 | 79°F | 57°F | 0" | -- |
| 2000 | 81°F | 58°F | 0.01" | -- |
| 1999 | 85°F | 61°F | 0" | -- |
| 1998 | 92°F | 72°F | 0" | -- |
| 1997 | 78°F | 54°F | 0" | -- |
| 1996 | 90°F | 69°F | 0.33" | -- |
| 1995 | 77°F | 51°F | 0" | -- |
| 1994 | 79°F | 60°F | 0" | -- |
| 1993 | 82°F | 69°F | 0.12" | -- |
| 1992 | 89°F | 67°F | 0" | -- |
| 1991 | 79°F | 59°F | 0" | -- |
| 1990 | 73°F | 65°F | 0.07" | -- |
| 1989 | 79°F | 52°F | 0" | -- |
| 1988 | 60°F | 57°F | 0.46" | -- |
| 1987 | 73°F | 48°F | 0" | -- |
| 1986 | 72°F | 57°F | 0" | -- |
| 1985 | 79°F | 56°F | 0.91" | -- |
| 1984 | 78°F | 55°F | 0" | -- |
| 1983 | 84°F | 57°F | 0" | -- |
| 1982 | 84°F | 58°F | 0" | -- |
| 1981 | 76°F | 60°F | 0" | -- |
| 1980 | 87°F | 59°F | 0" | -- |
| 1979 | 80°F | 68°F | 0.15" | -- |
| 1978 | 78°F | 54°F | 0.34" | -- |
| 1977 | 78°F | 50°F | 0.35" | -- |
| 1976 | 80°F | 60°F | 0" | -- |
| 1975 | 72°F | 61°F | 0.23" | -- |
| 1974 | 89°F | 61°F | 0" | -- |
| 1973 | 81°F | 60°F | 0" | -- |
| 1972 | 93°F | 68°F | 0" | -- |
| 1971 | 76°F | 47°F | 0.01" | -- |
Based on 55 years of data from NOAA station: HARTFORD BRAINARD FLD
Monthly Climate Averages
Historical temperature and precipitation averages for Hartford, CT, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.