Sparta

Sweetwater County, New Jersey, United States

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Current Weather

21°

Partly Cloudy

Feels Like: 15°

Min: 13°

Max: 25°

The next few hours will be clear, with today reaching 25°C and dropping to 14°C. The coming days will be drizzle

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Hourly Forecast

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Daylight Hours

06:46

Sunrise

18:59

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:40

Moonrise

21:02

Moonset

Daily Forecast

Today

13°
25°

Thursday

12°
23°

Friday

16°
29°

Saturday

19°
30°

Sunday

19°
29°

Monday

20°
31°

Tuesday

21°
32°

Wednesday

21°
30°

Thursday

10°
24°

Friday

11°
19°

Air Quality Data Available

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UV Index

Wear sunscreen
5 Moderate
Low Extreme

Humidity

66% Comfortable
Low High

Weather in Sparta today, September 16, 2026

Sparta starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a brighter morning, with limited cloud around 50% by 11:00. Conditions start on a settled note.

The temperature range runs from about 13°C up to 25°C. Expect humidity between 59% and 81%, most humid near 22:00. Winds stay light, near 2.9 km/h by 13:00, so the day feels still more than breezy.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 16:00. Outdoor plans may still want a flexible backup. Views remain open at about 16.1 km. Daylight runs from 06:46 to 18:59, lasting 12 hours 12 minutes of sunlight today.

The practical takeaway for Sparta is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 25°C.

Frequently asked questions about weather in Sparta

How warm does it get in Sparta?

The warmest month in Sparta is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.

How cold does it get in Sparta?

The coldest month in Sparta is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.

What is the wettest time of year in Sparta?

The wettest month in Sparta is May, with an average of 118mm of precipitation.

What is the driest time of year in Sparta?

The driest month in Sparta is November, with an average of 82mm of precipitation.

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