Guilford

South Central Connecticut Planning Region, Connecticut, United States

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Current Weather

21°

Clear

Feels Like: 16°

Min: 13°

Max: 23°

The next few hours will be clear, with tomorrow reaching 25°C and dropping to 12°C. The coming days will be mostly clear in the afternoon and overnight.

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

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Today
Tomorrow

Daylight Hours

06:38

Sunrise

18:51

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:32

Moonrise

20:53

Moonset

Daily Forecast

Wednesday

13°
23°

Today

14°
25°

Friday

10°
23°

Saturday

10°
23°

Sunday

10°
23°

Monday

11°
24°

Tuesday

11°
24°

Wednesday

11°
24°

Thursday

11°
18°

Friday

15°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

87% Humid
Low High

Weather in Guilford tomorrow, September 17, 2026

Guilford could see fog on September 17, 2026, so early travel may need extra care. Visibility is the main watchpoint while the air stays still. The morning sky stays heavily clouded, with cover near 100% around 09:00. Grey conditions set the early tone before any later change.

The temperature range runs from about 14°C up to 25°C. Moisture in the air spans 52%-99%, with the highest values around 06:00. Expect gentle winds, highest near 19:00 at 3.2 km/h.

Through the afternoon cloud remains the main feature, with cover near 100% around 13:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 14.8 km, briefly nearer 12.2 km. The sun rises at 06:39 and sets at 18:49, for a total of 12 hours 9 minutes of sunlight today.

Taken together, murky spells in Guilford on September 17, 2026 favour slower morning movement before any clearer air arrives.

Frequently asked questions about weather in Guilford

How warm does it get in Guilford?

The warmest month in Guilford is July, with average high temperatures of 26°C. The average temperature during this period is around 24°C.

How cold does it get in Guilford?

The coldest month in Guilford is January, with average low temperatures of -1°C. The average temperature during this period is around 1°C.

What is the wettest time of year in Guilford?

The wettest month in Guilford is December, with an average of 147mm of precipitation.

What is the driest time of year in Guilford?

The driest month in Guilford is June, with an average of 72mm of precipitation.

View full climate insights for Guilford →

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Metric (°C, km/h)