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I-91 Interstate Road Conditions
I-91 Road Conditions & Weather
Updated Aug 23, 2026 10:21 PM UTC · 3 states · Mostly dry, wet in places
Lowest 68°F near Saint Johnsbury, Vermont · Highest wind 11 mph near Hartford, Connecticut
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Interstate 91 (I‑91) runs from New Haven, Connecticut, to Derby Line, Vermont (at the Canadian border), providing a north–south route through New England along the Connecticut River valley. It passes through cities such as New Haven, Hartford, Springfield, Northampton.
- Road system: Interstate Highway System
- Year of construction: 1957
- Length: 290 miles
Weather data from Aug 23, 2026 10:21 PM UTC
68°F
82°F
11 mph
1007-1010 hPa
Current I-91 Conditions by State
Connecticut I-91 road conditions
Dry
- New Haven 77°F · 8 mph wind · Dry
- Hartford 82°F · 11 mph wind · Dry
- Waterbury 82°F · 11 mph wind · Dry
Vermont I-91 road conditions
Dry
- Saint Johnsbury 69°F · 1 mph wind · Dry
- Brattleboro 73°F · 1 mph wind · Dry
See live weather forecast for I‑91. Get real‑time I‑91 road and weather conditions displayed directly on the interactive map for your route through Connecticut, Massachusetts, and Vermont.
The map shows live weather conditions along Interstate 91, updated frequently to help drivers plan safer trips. Forecasts are generated for the next 6 hours at key highway points and include temperature and conditions such as clear skies, rain, storms, snow, high wind, hail, and more.
No full closures are reported on I-91 as of Aug 23, 2026 10:21 PM UTC, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
Connecticut I-91 weather conditions
New Haven, CT weather
- In New Haven, CT, the current weather conditions indicate a major risk of rain within the next hour, with expected rainfall rates of approximately 28.07 mm/h (1.1 in/h)
- The temperature is 20.3°C (68°F), and the humidity is high at 81%
- Winds are calm, blowing from 70° at 4 km/h (2 mph)
- Visibility is reduced due to mist and fog, measuring around 4.9 km (3.0 miles)
- The atmospheric pressure is 1010 mb (29.83 inHg)
- There are no active alerts at this time, but outdoor activities should be approached with caution due to the anticipated rain.
Hartford, CT weather
- Current weather conditions in Hartford, CT indicate a temperature of 20.1°C (68°F) with a dew point of 18.4°C (65°F), resulting in a high humidity level of 90%
- The wind is blowing from the southeast at 6 km/h (4 mph)
- Visibility is good at 9.5 km (5.9 miles)
- There are no active weather alerts at this time
- However, there is a low risk of rain expected within the next hour, with rainfall rates anticipated to reach approximately 4.36 mm/h (0.17 in/h).
Bridgeport, CT weather
- In Bridgeport, CT, the current weather is characterized by light rain with a temperature of 21.3°C (70°F) and high humidity at 95%
- The wind is blowing from the east at 14 km/h (9 mph)
- There is a significant rain risk expected in the next hour, with rainfall rates anticipated to reach approximately 79.5 mm/h (3.1 in/h) about 30 to 40 minutes from now
- The atmospheric pressure is measured at 1010 mb (29.83 inHg)
- Visibility is currently at 11.3 km (7.0 miles)
- There are no active alerts at this time, but the upcoming rain could impact outdoor activities.
Massachusetts I-91 weather conditions
Springfield, MA weather
- Currently in Springfield, MA, the weather is characterized by patchy fog with a temperature of 19.3°C (66.7°F) and a high humidity level of 94%
- The wind is calm, blowing from the southeast at 2.7 kph (1.7 mph)
- The atmospheric pressure is 1010 mb (29.83 inHg), indicating stable conditions
- Visibility is reduced to 4.8 km (3.0 miles) due to the fog
- There are no active weather alerts at this time.
Vermont I-91 weather conditions
Saint Johnsbury, VT weather
- In Saint Johnsbury, VT, the weather at 8:07 AM on August 23, 2026, is mostly cloudy with a temperature of 18.1°C (64.6°F)
- The humidity is at 80%, contributing to a comfortable but slightly muggy atmosphere
- Winds are light, blowing from the east-southeast at approximately 2 km/h (1 mph)
- The visibility is good, reaching 16 km (9.9 miles)
- The barometric pressure is measured at 1010 mb (29.83 inHg)
- There are currently no weather alerts in effect, and the probability of precipitation stands at 0%, indicating dry conditions.
I-91 Road Weather FAQ
- Is I-91 closed right now?
- No full closures are reported on I-91. No lane closures or roadworks are reported either.
- What are I-91 road conditions today?
- The map on this page colours the route along I-91 by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 10:21 PM UTC. Right now temperatures run from 68°F to 82°F and the strongest wind is 11 mph.
- How often are I-91 road conditions updated?
- The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.
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