Ronkonkoma, NY Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Ronkonkoma, NY in one place.
A chance of rain showers and patchy fog before 8am, then showers and thunderstorms. Cloudy. High near 56, with temperatures falling to around 48 in the afternoon. West wind 9 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Ronkonkoma, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 18, 2026 2:48 PM EDT.
The active forecast window currently covers Apr 19 to Apr 24, 2026 for Ronkonkoma, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 2:48 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ronkonkoma
Thursday looks like the warmest upcoming period in Ronkonkoma at 57 degrees F.
Monday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Tuesday Night at about 14 to 20 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 2:48 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers before 8pm. Partly cloudy, with a low around 43. Northwest wind 10 to 16 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 48. West wind around 14 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 38.
Sunny, with a high near 46.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 43.
A slight chance of rain showers. Partly sunny, with a high near 54.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 46.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 48.
Partly sunny, with a high near 55.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Showers And Thunderstorms
|
56°F |
9 to 18 mph
W
|
|
Sunday Night
Apr 19
|
Rain Showers then Partly Cloudy
|
43°F |
10 to 16 mph
NW
|
|
Monday
Apr 20
|
Mostly Sunny then Slight Chance Rain Showers
|
48°F |
14 mph
W
|
|
Monday Night
Apr 20
|
Slight Chance Rain Showers then Mostly Clear
|
38°F |
15 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
46°F |
8 to 14 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy then Slight Chance Rain Showers
|
43°F |
14 to 20 mph
S
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers
|
54°F |
12 to 16 mph
SW
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain Showers then Partly Cloudy
|
46°F |
12 mph
NW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
57°F |
10 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
48°F |
10 mph
NW
|
|
Friday
Apr 24
|
Partly Sunny
|
55°F |
8 to 13 mph
W
|
|
Friday Night
Apr 24
|
Slight Chance Rain Showers
|
48°F |
14 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ronkonkoma.
