What is the weather in Cornwall right now?

Current weather in Cornwall is clear sky.

Where can I find the hourly weather forecast for Cornwall?

This page shows hourly weather forecast for Cornwall, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Cornwall updated regularly?

Weather data for Cornwall is updated regularly with the latest available observations and forecasts.

Now · 12:14 PM

Cornwall Weather & Hourly Forecast

United States · Connecticut · 06753

68°F

Sunny

Feels like: 64°F

💧 Humidity 61% 🌡 Pressure 30.15 inHg 💨 Wind 9 mph 👁 Visibility 28.2 mi ☁ Clouds 0% ☀️ UV index 5.9 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Cornwall

Today

1:00 PM

Sunny

70° 💧 None 💨 9 mph H 56%30.12 inHg

4:00 PM

Sunny

71° 💧 None 💨 9 mph H 49%30.12 inHg

7:00 PM

Sunny

64° 💧 None 💨 5 mph H 72%30.12 inHg

10:00 PM

Mostly clear night

60° 💧 None 💨 6 mph H 71%30.18 inHg

Tomorrow

1:00 AM

Partly cloudy night

57° 💧 None 💨 6 mph H 78%30.21 inHg

4:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 82%30.21 inHg

7:00 AM

Mostly sunny

55° 💧 None 💨 4 mph H 84%30.24 inHg

10:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 64%30.24 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 7 mph H 57%30.21 inHg

4:00 PM

Mostly cloudy

73° 💧 None 💨 6 mph H 55%30.21 inHg

7:00 PM

Mostly cloudy

67° 💧 None 💨 0 mph H 83%30.21 inHg

10:00 PM

Overcast night

64° 💧 None 💨 3 mph H 78%30.24 inHg

Wednesday

1:00 AM

Overcast night

63° 💧 None 💨 1 mph H 77%30.24 inHg

4:00 AM

Overcast night

62° 💧 None 💨 2 mph H 79%30.21 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 3 mph H 74%30.24 inHg

10:00 AM

Partly cloudy

71° 💧 None 💨 5 mph H 69%30.21 inHg

Today

1:00 PM

Sunny

70° 💧 None 💨 9 mph H 56%30.12 inHg

2:00 PM

Sunny

71° 💧 None 💨 10 mph H 50%30.12 inHg

3:00 PM

Sunny

71° 💧 None 💨 10 mph H 48%30.12 inHg

4:00 PM

Sunny

71° 💧 None 💨 9 mph H 49%30.12 inHg

5:00 PM

Sunny

70° 💧 None 💨 7 mph H 56%30.12 inHg

6:00 PM

Sunny

68° 💧 None 💨 5 mph H 69%30.12 inHg

7:00 PM

Sunny

64° 💧 None 💨 5 mph H 72%30.12 inHg

8:00 PM

Clear night

62° 💧 None 💨 6 mph H 74%30.15 inHg

9:00 PM

Mostly clear night

61° 💧 None 💨 6 mph H 72%30.18 inHg

10:00 PM

Mostly clear night

60° 💧 None 💨 6 mph H 71%30.18 inHg

11:00 PM

Clear night

59° 💧 None 💨 6 mph H 73%30.21 inHg

Tomorrow

12:00 AM

Partly cloudy night

58° 💧 None 💨 6 mph H 76%30.21 inHg

1:00 AM

Partly cloudy night

57° 💧 None 💨 6 mph H 78%30.21 inHg

2:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 80%30.21 inHg

3:00 AM

Overcast night

56° 💧 None 💨 5 mph H 81%30.18 inHg

4:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 82%30.21 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 4 mph H 83%30.21 inHg

6:00 AM

Mostly clear night

54° 💧 None 💨 4 mph H 83%30.21 inHg

7:00 AM

Mostly sunny

55° 💧 None 💨 4 mph H 84%30.24 inHg

8:00 AM

Mostly sunny

60° 💧 None 💨 6 mph H 79%30.24 inHg

9:00 AM

Mostly sunny

64° 💧 None 💨 5 mph H 72%30.24 inHg

10:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 64%30.24 inHg

11:00 AM

Partly cloudy

69° 💧 None 💨 7 mph H 60%30.24 inHg

12:00 PM

Mostly cloudy

70° 💧 None 💨 7 mph H 60%30.24 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 7 mph H 57%30.21 inHg

2:00 PM

Mostly cloudy

73° 💧 None 💨 7 mph H 55%30.21 inHg

3:00 PM

Mostly cloudy

73° 💧 None 💨 6 mph H 54%30.21 inHg

4:00 PM

Mostly cloudy

73° 💧 None 💨 6 mph H 55%30.21 inHg

5:00 PM

Mostly cloudy

72° 💧 None 💨 4 mph H 60%30.21 inHg

6:00 PM

Mostly cloudy

71° 💧 None 💨 2 mph H 69%30.21 inHg

7:00 PM

Mostly cloudy

67° 💧 None 💨 0 mph H 83%30.21 inHg

8:00 PM

Overcast night

65° 💧 None 💨 1 mph H 83%30.21 inHg

9:00 PM

Overcast night

65° 💧 None 💨 1 mph H 80%30.24 inHg

10:00 PM

Overcast night

64° 💧 None 💨 3 mph H 78%30.24 inHg

11:00 PM

Overcast night

63° 💧 None 💨 4 mph H 77%30.24 inHg

Wednesday

12:00 AM

Overcast night

63° 💧 None 💨 3 mph H 76%30.24 inHg

1:00 AM

Overcast night

63° 💧 None 💨 1 mph H 77%30.24 inHg

2:00 AM

Overcast night

62° 💧 None 💨 1 mph H 78%30.24 inHg

3:00 AM

Overcast night

62° 💧 None 💨 1 mph H 79%30.21 inHg

4:00 AM

Overcast night

62° 💧 None 💨 2 mph H 79%30.21 inHg

5:00 AM

Overcast night

63° 💧 None 💨 1 mph H 77%30.24 inHg

6:00 AM

Overcast night

63° 💧 None 💨 3 mph H 76%30.24 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 3 mph H 74%30.24 inHg

8:00 AM

Overcast

68° 💧 None 💨 3 mph H 73%30.24 inHg

9:00 AM

Overcast

70° 💧 None 💨 4 mph H 71%30.21 inHg

10:00 AM

Partly cloudy

71° 💧 None 💨 5 mph H 69%30.21 inHg

11:00 AM

Mostly sunny

74° 💧 None 💨 7 mph H 67%30.21 inHg

12:00 PM

Mostly sunny

76° 💧 None 💨 8 mph H 66%30.18 inHg

1:00 PM

Mostly cloudy

77° 💧 0.003 in 💨 8 mph H 61%30.15 inHg

2:00 PM

Mostly cloudy

78° 💧 0.002 in 💨 8 mph H 60%30.12 inHg

3:00 PM

Mostly cloudy

78° 💧 0.001 in 💨 9 mph H 59%30.09 inHg

4:00 PM

Mostly cloudy

76° 💧 None 💨 9 mph H 69%30.09 inHg

5:00 PM

Mostly cloudy

76° 💧 None 💨 10 mph H 69%30.06 inHg

6:00 PM

Partly cloudy

73° 💧 None 💨 11 mph H 75%30.03 inHg

7:00 PM

Partly cloudy

71° 💧 None 💨 10 mph H 78%30.03 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 10 mph H 80%30.03 inHg

Thursday

5:00 AM

Heavy rain

64° 💧 None 💨 12 mph H 94%29.88 inHg

8:00 AM

Partly cloudy

67° 💧 None 💨 11 mph H 96%29.88 inHg

11:00 AM

Mostly sunny

75° 💧 None 💨 10 mph H 78%29.85 inHg

2:00 PM

Overcast

79° 💧 None 💨 10 mph H 63%29.83 inHg

5:00 PM

Overcast

75° 💧 None 💨 10 mph H 68%29.77 inHg

8:00 PM

Overcast night

71° 💧 None 💨 6 mph H 76%29.77 inHg

11:00 PM

Overcast night

68° 💧 None 💨 7 mph H 84%29.80 inHg

Friday

2:00 AM

Overcast night

66° 💧 None 💨 9 mph H 75%29.83 inHg

5:00 AM

Mostly clear night

61° 💧 None 💨 10 mph H 84%29.85 inHg

8:00 AM

Mostly sunny

60° 💧 None 💨 8 mph H 87%29.91 inHg

11:00 AM

Mostly sunny

66° 💧 None 💨 10 mph H 64%29.94 inHg

2:00 PM

Sunny

69° 💧 None 💨 9 mph H 55%29.91 inHg

5:00 PM

Sunny

67° 💧 None 💨 9 mph H 55%29.94 inHg

8:00 PM

Clear night

59° 💧 None 💨 7 mph H 72%30.00 inHg

11:00 PM

Clear night

56° 💧 None 💨 7 mph H 77%30.06 inHg

Saturday

2:00 AM

Clear night

53° 💧 None 💨 6 mph H 84%30.06 inHg

5:00 AM

Clear night

52° 💧 None 💨 7 mph H 86%30.12 inHg

8:00 AM

Sunny

54° 💧 None 💨 6 mph H 80%30.15 inHg

11:00 AM

Sunny

64° 💧 None 💨 4 mph H 59%30.18 inHg

2:00 PM

Sunny

69° 💧 None 💨 4 mph H 54%30.15 inHg

5:00 PM

Sunny

68° 💧 None 💨 6 mph H 59%30.12 inHg

8:00 PM

Clear night

60° 💧 None 💨 7 mph H 79%30.15 inHg

11:00 PM

Clear night

58° 💧 None 💨 7 mph H 97%30.15 inHg

Sunday

2:00 AM

Clear night

58° 💧 None 💨 6 mph H 97%30.15 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 7 mph H 97%30.12 inHg

2:00 PM

Overcast

63° 💧 None 💨 7 mph H 94%30.09 inHg

8:00 PM

Overcast night

73° 💧 None 💨 9 mph H 74%30.03 inHg

Monday

2:00 AM

Partly cloudy night

69° 💧 None 💨 7 mph H 89%30.00 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 10 mph H 73%30.06 inHg

2:00 PM

Sunny

61° 💧 None 💨 7 mph H 85%30.12 inHg

8:00 PM

Mostly clear night

71° 💧 None 💨 8 mph H 54%30.15 inHg

Tuesday

2:00 AM

Mostly cloudy night

61° 💧 None 💨 7 mph H 77%30.18 inHg

8:00 AM

Mostly sunny

57° 💧 None 💨 9 mph H 75%30.21 inHg

2:00 PM

Mostly sunny

57° 💧 None 💨 7 mph H 85%30.24 inHg

8:00 PM

Overcast night

70° 💧 None 💨 12 mph H 65%30.15 inHg

Wednesday

2:00 AM

Partly cloudy night

65° 💧 None 💨 12 mph H 82%30.03 inHg

8:00 AM

Light rain

66° 💧 None 💨 9 mph H 87%30.00 inHg

2:00 PM

Mostly sunny

60° 💧 None 💨 10 mph H 89%30.06 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 12 mph H 54%30.09 inHg

Thursday

2:00 AM

Clear night

58° 💧 None 💨 8 mph H 68%30.12 inHg

8:00 AM

Sunny

52° 💧 None 💨 8 mph H 82%30.18 inHg

2:00 PM

Sunny

53° 💧 None 💨 6 mph H 81%30.24 inHg

8:00 PM

Partly cloudy night

66° 💧 None 💨 7 mph H 45%30.15 inHg

Friday

2:00 AM

Mostly clear night

58° 💧 None 💨 2 mph H 76%30.12 inHg

8:00 AM

Sunny

53° 💧 None 💨 5 mph H 87%30.09 inHg

2:00 PM

Sunny

55° 💧 None 💨 6 mph H 85%30.06 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 12 mph H 43%29.94 inHg

Saturday

2:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 58%29.91 inHg

8:00 AM

Sunny

53° 💧 None 💨 8 mph H 69%29.91 inHg

2:00 PM

Sunny

53° 💧 None 💨 7 mph H 79%29.94 inHg

8:00 PM

Partly cloudy night

61° 💧 None 💨 10 mph H 54%29.94 inHg

Sunday

2:00 AM

Clear night

54° 💧 None 💨 11 mph H 45%30.03 inHg

8:00 AM

Mostly sunny

46° 💧 None 💨 4 mph H 74%30.12 inHg

2:00 PM

Sunny

50° 💧 None 💨 5 mph H 72%30.18 inHg

8:00 PM

Clear night

65° 💧 None 💨 7 mph H 41%30.15 inHg

Monday

2:00 AM

Mostly cloudy night

57° 💧 None 💨 8 mph H 61%30.12 inHg

8:00 AM

Partly cloudy

52° 💧 None 💨 8 mph H 86%30.12 inHg

2:00 PM

Overcast

56° 💧 None 💨 7 mph H 88%30.12 inHg

8:00 PM

Light rain

71° 💧 None 💨 9 mph H 71%30.00 inHg

Tuesday

2:00 AM

Overcast night

63° 💧 None 💨 6 mph H 97%30.00 inHg

In Cornwall and, more broadly, across the state of Connecticut: The afternoon will feature clear skies with temperatures ranging from the mid-60s to the mid-70s. Winds will be moderate, coming from the northwest at speeds up to 11 mph, with gusts reaching 19 mph. Overall, the weather remains calm and dry for the rest of the day, providing a pleasant and mild environment. No precipitation is expected, making it a good day for outdoor activities. Temperatures are expected to stay within the comfortable range, and the breezes should add a refreshing touch to the afternoon.

15-Day Weather Outlook for Cornwall

TomorrowTomorrow

Mostly sunny 73°/54° 💧 None 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Overcast 78°/62° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Heavy rain 79°/64° 💧 0.202 in 💨 12 mph

Friday, Sep 11Fri Sep 11

Overcast 71°/60° 💧 0.004 in 💨 10 mph

Saturday, Sep 12Sat Sep 12

Sunny 69°/52° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Overcast 63°/58° 💧 0.000 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 73°/61° 💧 0.012 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 71°/57° 💧 None 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Light rain 70°/60° 💧 0.023 in 💨 12 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 67°/52° 💧 None 💨 12 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 66°/53° 💧 0.003 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 68°/53° 💧 None 💨 12 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 61°/46° 💧 0.001 in 💨 11 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 65°/52° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Light rain 71°/63° 💧 0.087 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Cornwall

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Cornwall

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 1,6µg/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 2,3µg/m³

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

O₃ Ozone Fair 89,1µg/m³

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

NO₂ Nitrogen dioxide Good 4,8µg/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 Cornwall

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 6,3High 🙂Fair

Tomorrow UV 5,8Moderate 😐Moderate

Wednesday UV 6,5High 😷Poor

Thursday UV 5,6Moderate 🙂Fair

Friday UV 6,0High 😊Good

Saturday UV 6,0High —Unavailable

Sunday UV 6,0High —Unavailable

Hourly UV index today

1:00 PMUV 6,3 2:00 PMUV 5,7 3:00 PMUV 4,3 4:00 PMUV 2,7 5:00 PMUV 1,3 6:00 PMUV 0,4 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 Cornwall

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · CORNWALL, CONNECTICUT

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 11:00 PM–12:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 11:00 PM–12:00 AM Astronomical darkness: 8:53 PM–4:50 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 15% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 26° 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 min51%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

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

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% 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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Cornwall were last refreshed today at 12:14 PM. The current forecast period extends through 09/09/2026 at 10:00 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.