Hartford, CT weather in October
Expect cool weather with frequent rain in Hartford in October, with highs near 64°F and lows near 44°F. Rain or snow falls on about 11 days. Snowfall averages about 0.7 in. Good for outdoor plans.
- Normal high
- 64°F
- Normal low
- 44°F
- Wet days
- 11
- 4.2 in total
- Snowfall
- 0.7 in
- normal snowfall
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 70°F | 58°F |
| Normal low | 50°F | 39°F |
| Chance of a wet day | 37% | 33% |
| Sunrise / sunset | 6:47 am / 6:33 pm | 7:21 am / 5:46 pm |
| Daylight | 11.8 h | 10.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical October day
- 6 am46°Fdew point 42°F
- 9 am53°Fdew point 44°F
- Noon60°Fdew point 43°F
- 3 pm62°Fdew point 43°F
- 6 pm56°Fdew point 44°F
- 9 pm52°Fdew point 44°F
NOAA hourly normals (local standard time) from Hartford Bradley Intl Airport (12 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below4 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain and snow in October
Normal precipitation is 4.2 in; a dry October brings about 2.3 in and a wet one about 5.7 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.7 in.
How October varies from year to year
- Warmest October, 1991-20202017: average high 72°F
- Coolest October2002: average high 60°F
- Wettest October2005: 14.5 in
- Driest October2001: 0.9 in
- Highest reading88°F (October 6, 2007)
- Lowest reading16°F (October 27, 1996)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 76°F | 64°F | 52°F |
| Normal low | 56°F | 44°F | 35°F |
| Wet days | 10 | 11 | 10 |
| Comfortable days | 15 | 12 | 3 |
| Daylight | 12.5 h | 11.1 h | 9.8 h |
Highs change by -12°F from September and -12°F into November.
Nearby alternatives in October
- Warmer: Dover, DE234 mi · high 69°F · 8 wet days
- Drier: Dover, DE234 mi · high 69°F · 8 wet days
- Cooler: Rutland, VT128 mi · high 58°F · 13 wet days
How Hartford ranks in October
- Normal high266th warmest of 378 cities; 2nd of 5 in Connecticut
- Wet days315th driest of 378
- Comfortable days149th most of 340
What to pack for Hartford in October
- A rain jacket or umbrella – rain or snow on about 11 days
Frost in October
The first fall frost typically comes around Oct 26; in 1 year in 10 it comes before Oct 12. All frost dates for Hartford.
Heating and cooling
October has 351 heating degree days and 10 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How cold is Hartford in October?
The normal high is 64°F and the normal low is 44°F. From 1991 to 2020 the coldest October reading was 16°F (October 27, 1996).
Does it rain a lot in Hartford in October?
About 11 days in October have at least 0.01 in of precipitation, and the normal total is 4.2 in. The wettest October in 1991-2020 was in 2005 (14.5 in); the driest was in 2001 (0.9 in).
Does it snow in Hartford in October?
Yes. Normal snowfall in October is 0.7 in.
Is October a good time to visit Hartford?
October ranks 5th of 12 months on our comfort score for Hartford (61 out of 100). It has about 12 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain and frost dates: Hartford Brainard Fld (USW00014752), 2.6 mi SE of the city center, 19 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and humidity and wind by hour: Hartford Bradley Intl Airport (USW00014740), 12 mi N of the city center, 190 ft (140 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Burlington (USC00060973), 13 mi W of the city center, 505 ft (455 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Bradley International Airport (725080-14740), 12 mi N of the city center, 169 ft (119 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).