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Now · 4:18 AM

Bristol Weather & Hourly Forecast

United States · New Hampshire · 03222

Partly cloudy night
45°F
Partly cloudy night
Feels like: 40°F
💧 Humidity 89% 🌡 Pressure 30.27 inHg 💨 Wind 5 mph 👁 Visibility 25.2 mi ☁ Clouds 62% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:36 AM 🌇 Sunset 6:40 PM

Hourly Forecast for Bristol

Today
Clear night · 5:00 AM Clear night
45° 💧 None 💨 4 mph H 88%30.27 inHg
Overcast · 8:00 AM Overcast
51° 💧 None 💨 4 mph H 79%30.30 inHg
Mostly cloudy · 11:00 AM Mostly cloudy
66° 💧 None 💨 9 mph H 51%30.24 inHg
Overcast · 2:00 PM Overcast
69° 💧 None 💨 10 mph H 41%30.18 inHg
Overcast · 5:00 PM Overcast
68° 💧 None 💨 7 mph H 45%30.15 inHg
Overcast night · 8:00 PM Overcast night
58° 💧 None 💨 5 mph H 66%30.12 inHg
Overcast night · 11:00 PM Overcast night
56° 💧 None 💨 6 mph H 70%30.12 inHg
Tomorrow
Overcast night · 2:00 AM Overcast night
56° 💧 None 💨 6 mph H 69%30.06 inHg
Overcast night · 5:00 AM Overcast night
56° 💧 None 💨 6 mph H 68%30.03 inHg
Overcast · 8:00 AM Overcast
58° 💧 None 💨 9 mph H 63%30.03 inHg
Overcast · 11:00 AM Overcast
60° 💧 None 💨 7 mph H 60%30.00 inHg
Overcast · 2:00 PM Overcast
65° 💧 0.030 in 💨 12 mph H 47%29.97 inHg
Moderate rain · 5:00 PM Moderate rain
56° 💧 0.185 in 💨 10 mph H 87%29.91 inHg
Light rain · 8:00 PM Light rain
56° 💧 0.062 in 💨 10 mph H 81%29.94 inHg
Light rain · 11:00 PM Light rain
54° 💧 0.065 in 💨 12 mph H 93%29.94 inHg
Sunday
Overcast night · 2:00 AM Overcast night
53° 💧 0.002 in 💨 10 mph H 90%29.91 inHg

In Bristol and, more broadly, across the state of New Hampshire: This morning, mostly cloudy skies will bring cool conditions with temperatures ranging from 46 to 63 degrees Fahrenheit. Light winds from the north, with speeds up to 8 mph and gusts reaching 19 mph, will add to the brisk feel of the morning. As the day progresses into the afternoon, the cloud cover will persist, but no rain is expected. Temperatures are expected to remain steady within the cooler range, providing a comfortable yet chilly atmosphere. Winds will continue to be light, maintaining a gentle breeze from the north. Overall, it will be a cool, cloudy day with no significant weather disturbances.

15-Day Weather Outlook for Bristol

Friday, Sep 25Fri Sep 25 Overcast Overcast 68°/45° 💧 None 💨 10 mph
TomorrowTomorrow Overcast Overcast 67°/52° 💧 None 💨 13 mph
Sunday, Sep 27Sun Sep 27 Overcast Overcast 59°/53° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Bristol

Vertical axis: °F · Color based on temperature
Clear night at 5:00 AM
45° Today 5:00 AM
Mostly cloudy night at 6:00 AM
45° 6:00 AM
Partly cloudy at 7:00 AM
45° 7:00 AM
Overcast at 8:00 AM
51° 8:00 AM
Partly cloudy at 9:00 AM
57° Today 9:00 AM
Mostly sunny at 10:00 AM
62° 10:00 AM
Mostly cloudy at 11:00 AM
66° 11:00 AM
Overcast at 12:00 PM
68° 12:00 PM
Overcast at 1:00 PM
69° Today 1:00 PM
Overcast at 2:00 PM
69° 2:00 PM
Overcast at 3:00 PM
70° 3:00 PM
Overcast at 4:00 PM
69° 4:00 PM
Overcast at 5:00 PM
68° Today 5:00 PM
Overcast at 6:00 PM
64° 6:00 PM
Overcast night at 7:00 PM
59° 7:00 PM
Overcast night at 8:00 PM
58° 8:00 PM
Overcast night at 9:00 PM
57° Today 9:00 PM
Overcast night at 10:00 PM
56° 10:00 PM
Overcast night at 11:00 PM
56° 11:00 PM
Overcast night at 12:00 AM
56° 12:00 AM
Overcast night at 1:00 AM
56° Tomorrow 1:00 AM
Overcast night at 2:00 AM
56° 2:00 AM
Overcast night at 3:00 AM
57° 3:00 AM
Overcast night at 4:00 AM
57° 4:00 AM
Overcast night at 5:00 AM
56° Tomorrow 5:00 AM
Overcast night at 6:00 AM
57° 6:00 AM
Overcast at 7:00 AM
57° 7:00 AM
Overcast at 8:00 AM
58° 8:00 AM
Overcast at 9:00 AM
59° Tomorrow 9:00 AM
Overcast at 10:00 AM
59° 10:00 AM
Overcast at 11:00 AM
60° 11:00 AM
Overcast at 12:00 PM
62° 12:00 PM
Overcast at 1:00 PM
64° Tomorrow 1:00 PM
Overcast at 2:00 PM
65° 2:00 PM
Overcast at 3:00 PM
64° 3:00 PM
Light rain at 4:00 PM
61° 4:00 PM
Moderate rain at 5:00 PM
56° Tomorrow 5:00 PM
Light rain at 6:00 PM
56° 6:00 PM
Overcast night at 7:00 PM
58° 7:00 PM
Light rain at 8:00 PM
56° 8:00 PM
Light rain at 9:00 PM
55° Tomorrow 9:00 PM
Light rain at 10:00 PM
55° 10:00 PM
Light rain at 11:00 PM
54° 11:00 PM
Light rain at 12:00 AM
53° 12:00 AM
Light rain at 1:00 AM
53° Sunday 1:00 AM
Overcast night at 2:00 AM
53° 2:00 AM
Overcast night at 3:00 AM
54° 3:00 AM
Overcast night at 4:00 AM
54° 4:00 AM
Light rain at 5:00 AM
54° Sunday 5:00 AM
Light rain at 6:00 AM
53° 6:00 AM
Overcast at 7:00 AM
54° 7:00 AM
Overcast at 8:00 AM
55° 8:00 AM
Overcast at 9:00 AM
56° Sunday 9:00 AM
Overcast at 10:00 AM
57° 10:00 AM
Overcast at 11:00 AM
59° 11:00 AM
Overcast at 12:00 PM
59° 12:00 PM
Light rain at 1:00 PM
57° Sunday 1:00 PM
Light rain at 2:00 PM
57° 2:00 PM
Overcast at 3:00 PM
58° 3:00 PM
Overcast at 4:00 PM
58° 4:00 PM
Overcast at 5:00 PM
57° Sunday 5:00 PM
Light rain at 6:00 PM
56° 6:00 PM
Overcast night at 7:00 PM
56° 7:00 PM
Light rain at 8:00 PM
56° 8:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Bristol

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 5:00 AM
PM2.5 Fine particles Good 1,8µg/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 2,0µg/m³

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

O₃ Ozone Fair 60,8µg/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 acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Bristol

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 3,7Moderate 🙂Fair
Tomorrow UV 2,4Low 🙂Fair
Sunday UV 1,6Low 🙂Fair
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,5 9:00 AMUV 1,3 10:00 AMUV 2,3 11:00 AMUV 3,2 12:00 PMUV 3,7 1:00 PMUV 3,6 2:00 PMUV 3,3 3:00 PMUV 3,0 4:00 PMUV 2,3 5:00 PMUV 1,4 6:00 PMUV 0,5
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Bristol

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

90/100Best-hour score
BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:17 PM–5:01 AM
☁ Cloud cover 9% Real hourly forecast for the best viewing hour.
☾ Moonlight 98% Full Moon · Moon about 3° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 58° high at the best hour.
✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min40%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Bristol were last refreshed today at 2:54 AM. The current forecast period extends through 27/09/2026 at 2:00 AM. 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.