Mendham, NJ Weather Forecast

Local 7-day forecast

66°
F

Areas Of Frost then Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Mendham, NJ in one place.

Sunday, October 25, 2026
Wind: 0 mph
Sunday

Areas of frost before 9am. Sunny, with a high near 66. Northwest wind around 0 mph.

Local 7-day forecast

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
Next High
66°F
Sunday
Next Low
37°F
Sunday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 5 mph
Monday

Daily Outlook

Today
Oct 25
Areas Of Frost then Sunny
66 °F
/ 37°F
Wind 0 mph
Mon
Oct 26
Sunny
69 °F
/ 45°F
Wind 0 to 5 mph
Tue
Oct 27
Sunny
61 °F
/ 37°F
Wind 0 to 5 mph
Wed
Oct 28
Mostly Sunny
61 °F
/ 41°F
Wind 0 mph
Thu
Oct 29
Mostly Sunny
67 °F
/ 47°F
Wind 0 to 5 mph
Fri
Oct 30
Sunny
70 °F
/ 46°F
Wind 0 to 5 mph

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 source

Extended Forecast

Sunday Night
Oct 25
37°F
Clear
0 mph

Clear, with a low around 37. West wind around 0 mph.

Monday
Oct 26
69°F
Sunny
0 to 5 mph W

Sunny, with a high near 69. West wind 0 to 5 mph.

Monday Night
Oct 26
45°F
Clear
0 to 5 mph NW

Clear, with a low around 45.

Tuesday
Oct 27
61°F
Sunny
0 to 5 mph N

Sunny, with a high near 61.

Tuesday Night
Oct 27
37°F
Mostly Clear
0 mph

Mostly clear, with a low around 37.

Wednesday
Oct 28
61°F
Mostly Sunny
0 mph

Mostly sunny, with a high near 61.

Wednesday Night
Oct 28
41°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 41.

Thursday
Oct 29
67°F
Mostly Sunny
0 to 5 mph SW

Mostly sunny, with a high near 67.

Thursday Night
Oct 29
47°F
Mostly Clear
0 to 5 mph SW

Mostly clear, with a low around 47.

Friday
Oct 30
70°F
Sunny
0 to 5 mph W

Sunny, with a high near 70.

Friday Night
Oct 30
46°F
Mostly Clear
0 to 5 mph NW

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
Center of Mendham
Center of Mendham image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.