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Now · 7:37 PM

Groton Weather & Hourly Forecast

United States · Vermont · 05046

Mostly cloudy night
63°F
Mostly cloudy night
Feels like: 63°F
💧 Humidity 87% 🌡 Pressure 29.83 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi Clouds 61% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:15 AM 🌇 Sunset 7:20 PM

Hourly Forecast for Groton

Today
Mostly cloudy night · 8:00 PM Mostly cloudy night
63° 💧 None 💨 4 mph H 87%29.83 inHg
Mostly cloudy night · 11:00 PM Mostly cloudy night
62° 💧 None 💨 3 mph H 91%29.83 inHg
Tomorrow
Mostly cloudy night · 2:00 AM Mostly cloudy night
58° 💧 None 💨 3 mph H 96%29.83 inHg
Overcast night · 5:00 AM Overcast night
57° 💧 None 💨 3 mph H 98%29.83 inHg
Overcast · 8:00 AM Overcast
60° 💧 0.00 in 💨 3 mph H 96%29.85 inHg
Overcast · 11:00 AM Overcast
63° 💧 None 💨 7 mph H 72%29.88 inHg
Overcast · 2:00 PM Overcast
66° 💧 0.01 in 💨 9 mph H 62%29.85 inHg
Light rain · 5:00 PM Light rain
63° 💧 0.01 in 💨 7 mph H 72%29.88 inHg
Mostly cloudy night · 8:00 PM Mostly cloudy night
59° 💧 None 💨 5 mph H 94%29.94 inHg
Overcast night · 11:00 PM Overcast night
57° 💧 None 💨 5 mph H 91%29.97 inHg
Sunday
Overcast night · 2:00 AM Overcast night
56° 💧 None 💨 5 mph H 92%29.97 inHg
Overcast night · 5:00 AM Overcast night
55° 💧 None 💨 5 mph H 94%30.00 inHg
Overcast · 8:00 AM Overcast
56° 💧 None 💨 6 mph H 84%30.03 inHg
Partly cloudy · 11:00 AM Partly cloudy
64° 💧 None 💨 10 mph H 50%30.03 inHg
Partly cloudy · 2:00 PM Partly cloudy
65° 💧 None 💨 11 mph H 45%30.00 inHg
Mostly cloudy · 5:00 PM Mostly cloudy
62° 💧 None 💨 7 mph H 59%30.03 inHg

In Groton and, more broadly, across the state of Vermont: This evening will be mostly sunny with just a few clouds, providing a pleasant end to the day. Temperatures will remain mild, ranging from about 63 to 68 degrees Fahrenheit. Winds will be light, coming from the northwest at around 4 mph, with gusts up to 3 mph. No rain is expected during the evening hours, so you can enjoy the calm and clear conditions. Temperatures will stay steady through the night, making for a comfortable overnight period. Overall, expect a tranquil evening with gentle breezes and mild temperatures.

15-Day Weather Outlook for Groton

TomorrowTomorrow Light rain Light rain 66°/57° 💧 0.03 in 💨 9 mph
Sunday, Sep 6Sun Sep 6 Partly cloudy Partly cloudy 66°/50° 💧 None 💨 12 mph
Monday, Sep 7Mon Sep 7 Sunny Sunny 73°/47° 💧 None 💨 10 mph
Tuesday, Sep 8Tue Sep 8 Mostly cloudy Mostly cloudy 72°/52° 💧 None 💨 8 mph
Wednesday, Sep 9Wed Sep 9 Moderate rain Moderate rain 62°/53° 💧 1.10 in 💨 6 mph
Thursday, Sep 10Thu Sep 10 Light rain Light rain 66°/47° 💧 0.04 in 💨 12 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 54°/39° 💧 None 💨 14 mph
Saturday, Sep 12Sat Sep 12 Sunny Sunny 58°/35° 💧 None 💨 10 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 62°/37° 💧 0.07 in 💨 5 mph
Monday, Sep 14Mon Sep 14 Overcast Overcast 67°/50° 💧 None 💨 3 mph
Tuesday, Sep 15Tue Sep 15 Mostly cloudy Mostly cloudy 77°/56° 💧 None 💨 4 mph
Wednesday, Sep 16Wed Sep 16 Light rain Light rain 79°/59° 💧 0.03 in 💨 5 mph
Thursday, Sep 17Thu Sep 17 Mostly cloudy Mostly cloudy 83°/66° 💧 None 💨 6 mph
Friday, Sep 18Fri Sep 18 Partly cloudy Partly cloudy 83°/61° 💧 None 💨 7 mph
Saturday, Sep 19Sat Sep 19 Light rain Light rain 88°/60° 💧 0.07 in 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Groton

Vertical axis: °F · Color based on temperature
Mostly cloudy night at 8:00 PM
63° Today 8:00 PM
Mostly cloudy night at 9:00 PM
63° 9:00 PM
Mostly cloudy night at 10:00 PM
63° 10:00 PM
Mostly cloudy night at 11:00 PM
62° 11:00 PM
Mostly cloudy night at 12:00 AM
61° Tomorrow 12:00 AM
Mostly cloudy night at 1:00 AM
58° 1:00 AM
Mostly cloudy night at 2:00 AM
58° 2:00 AM
Overcast night at 3:00 AM
57° 3:00 AM
Overcast night at 4:00 AM
57° Tomorrow 4:00 AM
Overcast night at 5:00 AM
57° 5:00 AM
Overcast night at 6:00 AM
57° 6:00 AM
Overcast at 7:00 AM
58° 7:00 AM
Overcast at 8:00 AM
60° Tomorrow 8:00 AM
Overcast at 9:00 AM
61° 9:00 AM
Light rain at 10:00 AM
62° 10:00 AM
Overcast at 11:00 AM
63° 11:00 AM
Overcast at 12:00 PM
64° Tomorrow 12:00 PM
Overcast at 1:00 PM
66° 1:00 PM
Overcast at 2:00 PM
66° 2:00 PM
Light rain at 3:00 PM
66° 3:00 PM
Light rain at 4:00 PM
64° Tomorrow 4:00 PM
Light rain at 5:00 PM
63° 5:00 PM
Overcast at 6:00 PM
63° 6:00 PM
Light rain at 7:00 PM
60° 7:00 PM
Mostly cloudy night at 8:00 PM
59° Tomorrow 8:00 PM
Overcast night at 9:00 PM
58° 9:00 PM
Overcast night at 10:00 PM
58° 10:00 PM
Overcast night at 11:00 PM
57° 11:00 PM
Overcast night at 12:00 AM
57° Sunday 12:00 AM
Overcast night at 1:00 AM
57° 1:00 AM
Overcast night at 2:00 AM
56° 2:00 AM
Overcast night at 3:00 AM
55° 3:00 AM
Overcast night at 4:00 AM
55° Sunday 4:00 AM
Overcast night at 5:00 AM
55° 5:00 AM
Overcast night at 6:00 AM
54° 6:00 AM
Overcast at 7:00 AM
54° 7:00 AM
Overcast at 8:00 AM
56° Sunday 8:00 AM
Sunny at 9:00 AM
59° 9:00 AM
Partly cloudy at 10:00 AM
61° 10:00 AM
Partly cloudy at 11:00 AM
64° 11:00 AM
Partly cloudy at 12:00 PM
66° Sunday 12:00 PM
Partly cloudy at 1:00 PM
66° 1:00 PM
Partly cloudy at 2:00 PM
65° 2:00 PM
Overcast at 3:00 PM
64° 3:00 PM
Mostly cloudy at 4:00 PM
66° Sunday 4:00 PM
Mostly cloudy at 5:00 PM
62° 5:00 PM
Mostly cloudy at 6:00 PM
62° 6:00 PM
Mostly cloudy at 7:00 PM
58° 7:00 PM
Mostly cloudy night at 8:00 PM
53° Sunday 8:00 PM
Clear night at 9:00 PM
51° 9:00 PM
Clear night at 10:00 PM
50° 10:00 PM
Clear night at 11:00 PM
50° 11:00 PM
Clear night at 12:00 AM
49° Monday 12:00 AM
Clear night at 1:00 AM
49° 1:00 AM
Clear night at 2:00 AM
48° 2:00 AM
Clear night at 3:00 AM
48° 3:00 AM
Clear night at 4:00 AM
47° Monday 4:00 AM
Clear night at 5:00 AM
47° 5:00 AM
Clear night at 6:00 AM
47° 6:00 AM
Sunny at 7:00 AM
48° 7:00 AM
Sunny at 8:00 AM
53° Monday 8:00 AM
Sunny at 9:00 AM
59° 9:00 AM
Sunny at 10:00 AM
64° 10:00 AM
Sunny at 11:00 AM
68° 11:00 AM
Sunny at 12:00 PM
71° Monday 12:00 PM
Sunny at 1:00 PM
72° 1:00 PM
Sunny at 2:00 PM
73° 2:00 PM
Sunny at 3:00 PM
72° 3:00 PM
Sunny at 4:00 PM
71° Monday 4:00 PM
Sunny at 5:00 PM
70° 5:00 PM
Sunny at 6:00 PM
67° 6:00 PM
Mostly sunny at 7:00 PM
60° 7:00 PM
Partly cloudy night at 8:00 PM
57° Monday 8:00 PM
Overcast night at 9:00 PM
56° 9:00 PM
Overcast night at 10:00 PM
55° 10:00 PM
Overcast night at 11:00 PM
55° 11:00 PM
Overcast night at 12:00 AM
53° Tuesday 12:00 AM
Mostly cloudy night at 1:00 AM
52° 1:00 AM
Mostly cloudy night at 2:00 AM
52° 2:00 AM
Overcast night at 3:00 AM
52° 3:00 AM
Overcast night at 4:00 AM
54° Tuesday 4:00 AM
Overcast night at 5:00 AM
54° 5:00 AM
Overcast night at 6:00 AM
55° 6:00 AM
Overcast at 7:00 AM
55° 7:00 AM
Overcast at 8:00 AM
56° Tuesday 8:00 AM
Partly cloudy at 9:00 AM
62° 9:00 AM
Mostly cloudy at 10:00 AM
64° 10:00 AM
Mostly cloudy at 11:00 AM
65° 11:00 AM
Mostly cloudy at 12:00 PM
67° Tuesday 12:00 PM
Mostly cloudy at 1:00 PM
70° 1:00 PM
Mostly cloudy at 2:00 PM
72° 2:00 PM
Mostly cloudy at 3:00 PM
72° 3:00 PM
Mostly cloudy at 4:00 PM
72° Tuesday 4:00 PM
Mostly cloudy at 5:00 PM
70° 5:00 PM
Mostly cloudy at 6:00 PM
65° 6:00 PM
Overcast at 7:00 PM
60° 7:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Groton

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 8:00 PM
PM2.5 Fine particles Good 0,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 0,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 42,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Groton

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 5,7Moderate 😊Good
Tomorrow UV 4,0Moderate 😊Good
Sunday UV 5,3Moderate 🙂Fair
Monday UV 5,8Moderate 🙂Fair
Tuesday UV 5,2Moderate 😊Good
Wednesday UV 3,0Moderate Unavailable
Thursday UV 3,0Moderate Unavailable
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Groton

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Sunday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Sunday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Sunday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Sunday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Sunday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Sunday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Monday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Monday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Monday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Monday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Monday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Monday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tuesday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tuesday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tuesday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tuesday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tuesday 4:00 PM 5:00 PM 6:00 PM 7:00 PM
Sustained wind Max gusts
NIGHT SKY · GROTON, VERMONT

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

60/100Best-hour score
BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 9:02 PM–4:34 AM
Cloud cover 54% Real hourly forecast for the best viewing hour.
Moonlight 44% Last Quarter · Moon below the horizon at the best viewing hour.
Meteor activity Aurigids Reference ZHR 6 · Radiant -6° high at the best hour.
Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min5%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
AUG 28–SEP 5
AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak
ACTIVE NOW
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
UPCOMING
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Groton were last refreshed today at 7:36 PM. The current forecast period extends through 06/09/2026 at 5:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.