Mendham, NJ Weather Forecast
Local 7-day forecast
Areas Of Frost then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mendham, NJ in one place.
Areas of frost before 9am. Sunny, with a high near 66. Northwest wind around 0 mph.
Local Weather Overview
This forecast page for Mendham, 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 24, 2026 3:04 PM EDT.
The active forecast window currently covers Oct 25 to Oct 30, 2026 for Mendham, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 25 to Oct 30, 2026
- Latest sync
- Oct 24, 2026 3:04 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Mendham
Friday looks like the warmest upcoming period in Mendham at 70 degrees F.
Sunday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph W.
The forecast from Oct 25 through Oct 30 stays mostly dry.
Forecast Details
- Last updated
- Oct 24, 2026 3:04 PM EDT
- Coverage
- 6 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
Clear, with a low around 37. West wind around 0 mph.
Sunny, with a high near 69. West wind 0 to 5 mph.
Clear, with a low around 45.
Sunny, with a high near 61.
Mostly clear, with a low around 37.
Mostly sunny, with a high near 61.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 67.
Mostly clear, with a low around 47.
Sunny, with a high near 70.
Mostly clear, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Oct 25
|
Areas Of Frost then Sunny
|
66°F |
0 mph
|
|
Sunday Night
Oct 25
|
Clear
|
37°F |
0 mph
|
|
Monday
Oct 26
|
Sunny
|
69°F |
0 to 5 mph
W
|
|
Monday Night
Oct 26
|
Clear
|
45°F |
0 to 5 mph
NW
|
|
Tuesday
Oct 27
|
Sunny
|
61°F |
0 to 5 mph
N
|
|
Tuesday Night
Oct 27
|
Mostly Clear
|
37°F |
0 mph
|
|
Wednesday
Oct 28
|
Mostly Sunny
|
61°F |
0 mph
|
|
Wednesday Night
Oct 28
|
Partly Cloudy
|
41°F |
0 mph
|
|
Thursday
Oct 29
|
Mostly Sunny
|
67°F |
0 to 5 mph
SW
|
|
Thursday Night
Oct 29
|
Mostly Clear
|
47°F |
0 to 5 mph
SW
|
|
Friday
Oct 30
|
Sunny
|
70°F |
0 to 5 mph
W
|
|
Friday Night
Oct 30
|
Mostly Clear
|
46°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mendham.