Lake Ronkonkoma, NY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Ronkonkoma, NY in one place.
Sunny. High near 69, with temperatures falling to around 65 in the afternoon. Southeast wind 3 to 10 mph.
Local Weather Overview
This forecast page for Lake 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: Jun 2, 2026 11:52 PM EDT.
The active forecast window currently covers Jun 3 to Jun 9, 2026 for Lake Ronkonkoma, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 9, 2026
- Latest sync
- Jun 2, 2026 11:52 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Ronkonkoma
Saturday looks like the warmest upcoming period in Lake Ronkonkoma at 76 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Saturday at about 9 to 18 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 11:52 PM EDT
- Coverage
- 7 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
Clear, with a low around 59. Southwest wind 5 to 9 mph.
Sunny. High near 70, with temperatures falling to around 68 in the afternoon. Southwest wind 5 to 15 mph.
Partly cloudy, with a low around 61. Southwest wind 7 to 15 mph.
Mostly sunny. High near 75, with temperatures falling to around 70 in the afternoon.
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 76.
A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
69°F |
3 to 10 mph
SE
|
|
Wednesday Night
Jun 3
|
Clear
|
59°F |
5 to 9 mph
SW
|
|
Thursday
Jun 4
|
Sunny
|
70°F |
5 to 15 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
61°F |
7 to 15 mph
SW
|
|
Friday
Jun 5
|
Mostly Sunny
|
75°F |
6 to 16 mph
SW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
65°F |
9 to 16 mph
SW
|
|
Saturday
Jun 6
|
Mostly Sunny
|
76°F |
9 to 18 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
63°F |
9 to 17 mph
SW
|
|
Sunday
Jun 7
|
Chance Rain Showers
|
69°F |
9 to 17 mph
S
|
|
Sunday Night
Jun 7
|
Chance Rain Showers
|
59°F |
17 mph
E
|
|
Monday
Jun 8
|
Chance Rain Showers
|
65°F |
17 mph
E
|
|
Monday Night
Jun 8
|
Chance Rain Showers
|
59°F |
12 to 15 mph
E
|
|
Tuesday
Jun 9
|
Chance Rain Showers
|
65°F |
14 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Ronkonkoma.