Hartsville, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hartsville, NY in one place.
Mostly sunny, with a high near 65.
Local Weather Overview
This forecast page for Hartsville, 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 8:34 PM EDT.
The active forecast window currently covers Apr 23 to Apr 25, 2026 for Hartsville, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 25, 2026
- Latest sync
- Apr 18, 2026 8:34 PM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Hartsville
Friday looks like the warmest upcoming period in Hartsville at 67 degrees F.
Thursday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Saturday at about 10 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 8:34 PM EDT
- Coverage
- 3 days
- Time zone
- America/New_York
- Forecast office
- BGM
- Radar station
- KBUF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 43.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 67.
A chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Rain showers likely. Partly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
65°F |
8 mph
W
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
43°F |
7 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny then Slight Chance Rain Showers
|
67°F |
9 mph
W
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
48°F |
9 mph
S
|
|
Saturday
Apr 25
|
Rain Showers Likely
|
63°F |
10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hartsville.