Ronkonkoma

Pennington County, New York, United States

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

14°

Clear

Feels Like: 15°

Min: 13°

Max: 25°

The next few hours will be clear, with today reaching 25°C and dropping to 18°C. The coming days will be mostly cloudy throughout the day.

Unlock Historical Data

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

Hourly Forecast

14° 14° 14° 13° 13° 13° 13° 13° 15° 19° 21° 22° 24° 25° 25° 24° 23° 23° 22° 21° 20° 19° 19° 19°
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
Today

Daylight Hours

06:40

Sunrise

18:52

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:33

Moonrise

20:57

Moonset

Daily Forecast

Today

13°
25°

Thursday

18°
25°

Friday

18°
25°

Saturday

14°
20°

Sunday

15°
20°

Monday

16°
20°

Tuesday

15°
21°

Wednesday

15°
21°

Thursday

17°
21°

Friday

17°
20°

Air Quality Data Available

Upgrade to access real-time air quality data for Ronkonkoma.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

85% Humid
Low High

Weather in Ronkonkoma today, September 16, 2026

Cloud cover dominates in Ronkonkoma on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a brighter morning, with limited cloud around 9% by 03:00. Conditions start on a settled note.

Expect highs of 25°C and cooler readings close to 13°C. The air stays humid, with relative humidity between 50% and 93% and the peak around 06:00. Airflow remains manageable, reaching about 4.3 km/h around 15:00.

Afternoon skies stay clogged, peaking close to 100% near 16:00. The grey theme continues rather than clearing out. Visibility holds near 16.1 km, though it can fall to 15.9 km. The sun rises at 06:40 and sets at 18:52, for a total of 12 hours 12 minutes of sunlight today.

Taken together, overcast skies in Ronkonkoma on September 16, 2026 favour indoor or covered options, with temperatures near 25°C.

Frequently asked questions about weather in Ronkonkoma

How warm does it get in Ronkonkoma?

The warmest month in Ronkonkoma 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 Ronkonkoma?

The coldest month in Ronkonkoma is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.

What is the wettest time of year in Ronkonkoma?

The wettest month in Ronkonkoma is December, with an average of 133mm of precipitation.

What is the driest time of year in Ronkonkoma?

The driest month in Ronkonkoma is June, with an average of 74mm of precipitation.

View full climate insights for Ronkonkoma →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)