Sparta, NJ Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Sparta, NJ in one place.
Rain showers before 5pm, then showers and thunderstorms. Mostly cloudy, with a high near 73. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Sparta, NJ 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: Oct 16, 2026 12:10 AM EDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Sparta, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 16, 2026 12:10 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Sparta
Friday looks like the warmest upcoming period in Sparta at 73 degrees F.
Saturday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 15 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 16, 2026 12:10 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 41. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Partly sunny, with a high near 50. North wind 10 to 15 mph, with gusts as high as 30 mph.
Patchy frost after 4am. Mostly clear, with a low around 32. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Areas of frost before 9am. Sunny, with a high near 57.
Mostly clear, with a low around 36.
Sunny, with a high near 62.
Mostly clear, with a low around 39.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 43.
Sunny, with a high near 65.
Mostly clear, with a low around 40.
Sunny, with a high near 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Rain Showers
|
73°F |
10 mph
S
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms
|
41°F |
5 to 15 mph
W
|
|
Saturday
Oct 17
|
Partly Sunny
|
50°F |
10 to 15 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear then Patchy Frost
|
32°F |
5 to 10 mph
NW
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
57°F |
0 to 5 mph
NW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
36°F |
0 mph
|
|
Monday
Oct 19
|
Sunny
|
62°F |
0 to 5 mph
W
|
|
Monday Night
Oct 19
|
Mostly Clear
|
39°F |
0 mph
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
65°F |
0 mph
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
43°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
65°F |
0 to 5 mph
N
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
40°F |
0 mph
|
|
Thursday
Oct 22
|
Sunny
|
62°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sparta.
