Current Conditions
Lake Ronkonkoma, New York
Wind
SW 7 mph12 km/h
Humidity
79%
Cloud Cover
78%
As of Tuesday, September 8, 2026 at 9:30 PM EDT
Today's Outlook
Night
Mostly cloudy, with a low around 70°F21°C. Windy from the SSW at 13 to 20 mph20 to 32 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 76°F25°C | Low 70°F21°C | Precip 0 in0 mm— | Cloud 66% | Wind SSW 12 mph20 km/h | Wednesday: Mostly cloudy and warm, with a high of 76°F25°C and morning low of 72°F22°C. Windy from the S at 12 to 17 mph20 to 28 km/h. Humid. Wednesday Night: Mostly cloudy, with a low around 70°F21°C. Windy from the SSW at 13 to 20 mph20 to 32 km/h. | |
| Light Rain | High 79°F26°C | Low 74°F24°C | Precip 0.07 in1.7 mm68% | Cloud 77% | Wind SW 12 mph20 km/h | Thursday: Mostly cloudy and warm, with a high of 79°F26°C. Breezy from the WSW at 11 to 13 mph17 to 21 km/h. 68% chance of light rain in the morning. Humid. Thursday Night: Mostly cloudy, with a low around 75°F24°C. Windy from the SW at 14 to 20 mph22 to 33 km/h. 22% chance of drizzle before dawn. | |
| Drizzle | High 76°F24°C | Low 70°F21°C | Precip 0.03 in0.8 mm22% | Cloud 34% | Wind NNW 7 mph11 km/h | Friday: Mostly clear and warm, with a high of 76°F24°C and morning low of 71°F21°C. Breezy from the NNW at 8 to 9 mph12 to 15 km/h. Friday Night: Partly cloudy, with a low around 70°F21°C. Breezy from the NW at 6 to 9 mph10 to 15 km/h. 22% chance of drizzle overnight. | |
| Light Rain | High 74°F23°C | Low 67°F20°C | Precip 0.03 in0.8 mm36% | Cloud 77% | Wind SE 8 mph13 km/h | Saturday: Overcast and warm, with a high of 74°F23°C and morning low of 68°F20°C. Breezy from the SE at 9 to 10 mph14 to 17 km/h. Saturday Night: Mostly cloudy, with a low around 67°F20°C. Breezy from the SE at 7 to 10 mph12 to 16 km/h. 36% chance of showers in the evening. | |
| Rain | High 76°F24°C | Low 72°F22°C | Precip 0.49 in12.5 mm75% | Cloud 73% | Wind S 9 mph14 km/h | Sunday: Mostly cloudy and warm, with a high of 76°F24°C. Breezy from the S at 8 to 9 mph13 to 14 km/h. 75% chance of rain throughout the day. Humid. Sunday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the S at 9 to 11 mph14 to 17 km/h. 68% chance of showers throughout the night. | |
| Clear | High 75°F24°C | Low 69°F21°C | Precip 0.02 in0.6 mm7% | Cloud 34% | Wind NNW 10 mph16 km/h | Monday: Partly cloudy and warm, with a high of 75°F24°C and morning low of 69°F21°C. Breezy from the NW at 10 mph16 km/h. Monday Night: Partly cloudy, with a low around 69°F21°C. Breezy from the NNW at 10 mph15 km/h. | |
| Partly Cloudy | High 72°F22°C | Low 66°F19°C | Precip 0 in0.1 mm2% | Cloud 47% | Wind SE 10 mph16 km/h | Tuesday: Mostly cloudy and warm, with a high of 72°F22°C and morning low of 67°F19°C. Breezy from the SE at 10 to 11 mph15 to 17 km/h. Tuesday Night: Partly cloudy, with a low around 66°F19°C. Breezy from the SSE at 11 to 12 mph17 to 20 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 9 | 76°F25°C | 70°F21°C | 0 in0 mm· — | 66% | Partly Cloudy | SSW 12 mph20 km/h | |
DayMostly cloudy and warm, with a high of 76°F25°C and morning low of 72°F22°C. Windy from the S at 12 to 17 mph20 to 28 km/h. Humid. NightMostly cloudy, with a low around 70°F21°C. Windy from the SSW at 13 to 20 mph20 to 32 km/h. | |||||||
| ThursdaySep 10 | 79°F26°C | 74°F24°C | 0.07 in1.7 mm· 68% | 77% | Light Rain | SW 12 mph20 km/h | |
DayMostly cloudy and warm, with a high of 79°F26°C. Breezy from the WSW at 11 to 13 mph17 to 21 km/h. 68% chance of light rain in the morning. Humid. NightMostly cloudy, with a low around 75°F24°C. Windy from the SW at 14 to 20 mph22 to 33 km/h. 22% chance of drizzle before dawn. | |||||||
| FridaySep 11 | 76°F24°C | 70°F21°C | 0.03 in0.8 mm· 22% | 34% | Drizzle | NNW 7 mph11 km/h | |
DayMostly clear and warm, with a high of 76°F24°C and morning low of 71°F21°C. Breezy from the NNW at 8 to 9 mph12 to 15 km/h. NightPartly cloudy, with a low around 70°F21°C. Breezy from the NW at 6 to 9 mph10 to 15 km/h. 22% chance of drizzle overnight. | |||||||
| SaturdaySep 12 | 74°F23°C | 67°F20°C | 0.03 in0.8 mm· 36% | 77% | Light Rain | SE 8 mph13 km/h | |
DayOvercast and warm, with a high of 74°F23°C and morning low of 68°F20°C. Breezy from the SE at 9 to 10 mph14 to 17 km/h. NightMostly cloudy, with a low around 67°F20°C. Breezy from the SE at 7 to 10 mph12 to 16 km/h. 36% chance of showers in the evening. | |||||||
| SundaySep 13 | 76°F24°C | 72°F22°C | 0.49 in12.5 mm· 75% | 73% | Rain | S 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C. Breezy from the S at 8 to 9 mph13 to 14 km/h. 75% chance of rain throughout the day. Humid. NightMostly cloudy, with a low around 72°F22°C. Breezy from the S at 9 to 11 mph14 to 17 km/h. 68% chance of showers throughout the night. | |||||||
| MondaySep 14 | 75°F24°C | 69°F21°C | 0.02 in0.6 mm· 7% | 34% | Clear | NNW 10 mph16 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 69°F21°C. Breezy from the NW at 10 mph16 km/h. NightPartly cloudy, with a low around 69°F21°C. Breezy from the NNW at 10 mph15 km/h. | |||||||
| TuesdaySep 15 | 72°F22°C | 66°F19°C | 0 in0.1 mm· 2% | 47% | Partly Cloudy | SE 10 mph16 km/h | |
DayMostly cloudy and warm, with a high of 72°F22°C and morning low of 67°F19°C. Breezy from the SE at 10 to 11 mph15 to 17 km/h. NightPartly cloudy, with a low around 66°F19°C. Breezy from the SSE at 11 to 12 mph17 to 20 km/h. | |||||||
| WednesdaySep 16 | 76°F25°C | 71°F22°C | 0.05 in1.2 mm· 16% | 48% | Drizzle | SW 10 mph17 km/h | |
DayPartly cloudy and warm, with a high of 76°F25°C and morning low of 71°F22°C. Breezy from the SW at 10 to 11 mph16 to 17 km/h. 11% chance of drizzle throughout the day. Humid. NightMostly cloudy, with a low around 71°F22°C. Breezy from the SW at 10 to 12 mph17 to 19 km/h. 16% chance of drizzle throughout the night. | |||||||
| ThursdaySep 17 | 75°F24°C | 70°F21°C | 0.08 in2.1 mm· 17% | 51% | Drizzle | SSE 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 70°F21°C. Breezy from the ESE at 9 mph14 km/h. 14% chance of drizzle throughout the day. Humid. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SSW at 9 to 10 mph15 to 16 km/h. 17% chance of drizzle throughout the night. | |||||||
| FridaySep 18 | 75°F24°C | 71°F21°C | 0.15 in3.7 mm· 25% | 51% | Showers | SW 11 mph17 km/h | |
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 71°F21°C. Breezy from the SW at 11 mph18 km/h. 25% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 71°F21°C. Breezy from the SW at 11 mph17 km/h. 22% chance of showers throughout the night. | |||||||
| SaturdaySep 19 | 72°F22°C | 67°F20°C | 0.08 in2 mm· 17% | 48% | Drizzle | W 11 mph18 km/h | |
DayPartly cloudy and warm, with a high of 72°F22°C. Breezy from the W at 11 mph18 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Breezy from the W at 11 to 12 mph18 to 19 km/h. 17% chance of drizzle throughout the night. | |||||||
| SundaySep 20 | 70°F21°C | 65°F18°C | 0.11 in2.9 mm· 18% | 57% | Showers | NNW 10 mph17 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 65°F18°C. Breezy from the NNW at 10 mph16 km/h. 18% chance of drizzle throughout the day. NightMostly cloudy, with a low around 66°F19°C. Breezy from the NNW at 11 mph17 km/h. 17% chance of showers throughout the night. | |||||||
| MondaySep 21 | 68°F20°C | 63°F17°C | 0.11 in2.8 mm· 16% | 55% | Showers | NNE 11 mph18 km/h | |
DayMostly cloudy and warm, with a high of 68°F20°C and morning low of 63°F17°C. Breezy from the NNE at 11 mph17 km/h. 16% chance of showers throughout the day. NightMostly cloudy, with a low around 64°F18°C. Breezy from the NNE at 11 to 12 mph18 to 19 km/h. 15% chance of drizzle throughout the night. | |||||||
| TuesdaySep 22 | 67°F20°C | 63°F17°C | 0.15 in3.8 mm· 18% | 55% | Showers | NE 11 mph18 km/h | |
DayMostly cloudy and mild, with a high of 67°F20°C and morning low of 63°F17°C. Breezy from the NE at 11 mph18 km/h. 16% chance of drizzle throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the NE at 11 mph18 km/h. 18% chance of showers throughout the night. | |||||||
| WednesdaySep 23 | 68°F20°C | 62°F17°C | 0.15 in3.9 mm· 21% | 61% | Showers | NE 11 mph18 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C and morning low of 62°F17°C. Breezy from the NE at 11 to 12 mph18 to 19 km/h. 20% chance of showers throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the NE at 11 to 12 mph18 to 19 km/h. 21% chance of showers throughout the night. | |||||||
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About This Forecast
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Coordinates: 40.8351°N, 73.1312°W·Elevation: 22m·Timezone: America/New_York·Population: 20,155