Round Lake, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Round Lake, NY in one place.
Mostly sunny, with a high near 69. Southeast wind around 15 mph.
Local Weather Overview
This forecast page for Round Lake, 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 2:56 PM EDT.
The active forecast window currently covers Apr 18 to Apr 24, 2026 for Round Lake, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 2:56 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Round Lake
This Afternoon looks like the warmest upcoming period in Round Lake at 69 degrees F.
Monday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for This Afternoon at about 15 mph SE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 2:56 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers after 9pm. Mostly cloudy. Low around 41, with temperatures rising to around 49 overnight. South wind 8 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers. Mostly cloudy, with a high near 44. West wind around 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 8pm. Partly cloudy, with a low around 30. West wind 8 to 13 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 42. West wind 9 to 14 mph.
Mostly clear, with a low around 25.
Mostly sunny, with a high near 50.
A slight chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 37.
A slight chance of rain showers between 8am and 2pm. Partly sunny, with a high near 58.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 60.
Mostly cloudy, with a low around 40.
Mostly sunny, with a high near 63.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 18
|
Mostly Sunny
|
69°F |
15 mph
SE
|
|
Tonight
Apr 18
|
Rain Showers
|
41°F |
8 to 15 mph
S
|
|
Sunday
Apr 19
|
Rain Showers
|
44°F |
13 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain Showers then Partly Cloudy
|
30°F |
8 to 13 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
42°F |
9 to 14 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
25°F |
2 to 10 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
50°F |
2 to 7 mph
SW
|
|
Tuesday Night
Apr 21
|
Slight Chance Rain Showers
|
37°F |
7 mph
SW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers
|
58°F |
5 to 9 mph
W
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
35°F |
3 to 8 mph
NW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
60°F |
3 to 8 mph
NW
|
|
Thursday Night
Apr 23
|
Mostly Cloudy
|
40°F |
2 to 7 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny
|
63°F |
2 to 7 mph
NW
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
42°F |
6 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Round Lake.
