Mendham, NJ Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Mendham, NJ in one place.
Mostly cloudy, with a high near 78. West wind 0 to 5 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: May 24, 2026 1:57 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Mendham, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:57 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Mendham
Wednesday looks like the warmest upcoming period in Mendham at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:57 PM EDT
- Coverage
- 5 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
Mostly cloudy, with a low around 60.
Partly sunny, with a high near 83.
Mostly cloudy, with a low around 61.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 79.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 55.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Cloudy
|
78°F |
0 to 5 mph
W
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
60°F |
0 to 5 mph
SW
|
|
Wednesday
May 27
|
Partly Sunny
|
83°F |
0 to 5 mph
W
|
|
Wednesday Night
May 27
|
Mostly Cloudy
|
61°F |
0 to 5 mph
NW
|
|
Thursday
May 28
|
Mostly Sunny then Slight Chance Rain Showers
|
79°F |
0 to 5 mph
NW
|
|
Thursday Night
May 28
|
Slight Chance Rain Showers then Partly Cloudy
|
55°F |
0 to 5 mph
NW
|
|
Friday
May 29
|
Mostly Sunny
|
75°F |
0 to 10 mph
NW
|
|
Friday Night
May 29
|
Partly Cloudy
|
53°F |
0 to 10 mph
NW
|
|
Saturday
May 30
|
Mostly Sunny
|
73°F |
0 to 5 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
53°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mendham.