Connecticut · NWS OKX office
New London, CT weather
It is 37°F and clear at Groton / New London, Groton / New London Airport as of Oct 28, 5:05 AM EDT. Overnight: Mostly Clear, low near 40°F. Forecast from the National Weather Service, issued Oct 28, 2:25 AM EDT.
Current conditions
Temperature
37°F
Clear · feels like 31°F
Wind
N 8 mph
Humidity 70% · dew point 28°F
Pressure · visibility
30.44 inHg
Visibility 10 mi
Observed at Groton / New London, Groton / New London Airport (KGON), Oct 28, 5:05 AM EDT. Station readings can lag or be missing.
Alerts for this area
No active NWS alerts cover the New London forecast zone right now.
Around the NWS OKX forecast area
1 active alert covers zones served by the OKX office near New London:
- Coastal Flood Statement
From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Connecticut has 2 active alerts: see them all.
For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.
Next 24 hours
| Time | Temp | Forecast | Precip. chance | Wind |
|---|---|---|---|---|
| Wed 7 AM | 40°F | Mostly Sunny | 0% | NE 6 mph |
| Wed 8 AM | 40°F | Sunny | 0% | NE 6 mph |
| Wed 9 AM | 44°F | Mostly Sunny | 0% | NE 5 mph |
| Wed 10 AM | 47°F | Mostly Sunny | 0% | NE 5 mph |
| Wed 11 AM | 50°F | Mostly Sunny | 0% | E 3 mph |
| Wed 12 PM | 53°F | Partly Sunny | 0% | SE 5 mph |
| Wed 1 PM | 55°F | Partly Sunny | 0% | S 5 mph |
| Wed 2 PM | 57°F | Mostly Sunny | 0% | S 6 mph |
| Wed 3 PM | 58°F | Mostly Sunny | 0% | S 6 mph |
| Wed 4 PM | 58°F | Partly Sunny | 0% | S 6 mph |
| Wed 5 PM | 58°F | Mostly Cloudy | 0% | S 6 mph |
| Wed 6 PM | 57°F | Mostly Cloudy | 0% | S 6 mph |
| Wed 7 PM | 56°F | Mostly Cloudy | 0% | S 6 mph |
| Wed 8 PM | 56°F | Partly Cloudy | 0% | S 6 mph |
| Wed 9 PM | 55°F | Partly Cloudy | 0% | S 6 mph |
| Wed 10 PM | 55°F | Partly Cloudy | 0% | S 6 mph |
| Wed 11 PM | 54°F | Partly Cloudy | 0% | SW 6 mph |
| Thu 12 AM | 54°F | Mostly Clear | 0% | SW 6 mph |
| Thu 1 AM | 53°F | Clear | 0% | SW 6 mph |
| Thu 2 AM | 53°F | Mostly Clear | 0% | SW 6 mph |
| Thu 3 AM | 53°F | Mostly Clear | 0% | SW 6 mph |
| Thu 4 AM | 53°F | Clear | 0% | SW 5 mph |
| Thu 5 AM | 52°F | Clear | 0% | SW 5 mph |
| Thu 6 AM | 52°F | Sunny | 0% | SW 5 mph |
Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in New London can differ.
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7-day forecast
Overnight
Low 40°F
Mostly clear. Low around 40, with temperatures rising to around 42 overnight. Northeast wind around 7 mph.
Wednesday
High 58°F·Low 50°F
Mostly sunny. High near 58, with temperatures falling to around 56 in the afternoon. East wind around 7 mph.
Wednesday Night: Partly cloudy. Low around 50, with temperatures rising to around 52 overnight. Southwest wind around 6 mph.
Thursday
High 64°F·Low 56°F
Sunny. High near 64, with temperatures falling to around 62 in the afternoon. Southwest wind 3 to 10 mph.
Thursday Night: Mostly clear. Low around 56, with temperatures rising to around 58 overnight. Southwest wind around 12 mph.
Friday
High 67°F·Low 46°F
Sunny. High near 67, with temperatures falling to around 65 in the afternoon.
Friday Night: Mostly clear, with a low around 46.
Saturday
High 59°F·Low 40°F
Sunny, with a high near 59.
Saturday Night: Partly cloudy, with a low around 40.
Sunday
High 62°F·Low 47°F
Mostly sunny, with a high near 62.
Sunday Night: Partly cloudy, with a low around 47.
Monday
High 64°F·Low 49°F
A slight chance of rain showers after 7am. Partly sunny, with a high near 64.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Tuesday
High 62°F
A chance of rain showers. Partly sunny, with a high near 62.
Nearby cities
- Norwich, CT 15 mi
- Middletown, CT 33 mi
- Meriden, CT 39 mi
- Newport, RI 41 mi
- Hartford, CT 43 mi
- New Britain, CT 43 mi
- New Haven, CT 43 mi
- Warwick, RI 43 mi
Larger cities in the area
- Providence, RI 49 mi · pop. 194,706
- Worcester, MA 66 mi · pop. 211,286
- Boston, MA 89 mi · pop. 673,458
- Yonkers, NY 96 mi · pop. 211,040
Other cities in Southeastern Connecticut Planning Region
See every city we cover in Connecticut, or check all active alerts.
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About this forecast
- Forecast office
- New London is served by the National Weather Service OKX forecast office, forecast zone ANZ332.
- Location used
- The Census Bureau's internal point for New London (41.3330, -72.0962), in Southeastern Connecticut Planning Region. Population: 28,081 (2024 estimate), number 18 of the 18 Connecticut cities on this site.
- Radar
- Nearest NWS radar: KOKX. View it on radar.weather.gov.
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Sources
- Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/41.333,-72.0962 (forecast issued Oct 28, 2:25 AM EDT).
- Official forecast page: forecast.weather.gov.
- City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
- Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.
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