Mercer County Airport Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mercer County Airport in one place.
Sunny, with a high near 103. Heat index values as high as 111. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Mercer County Airport 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: Jul 2, 2026 9:05 AM EDT.
The active forecast window currently covers Jul 2 to Jul 8, 2026 for Mercer County Airport.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 2 to Jul 8, 2026
- Latest sync
- Jul 2, 2026 9:05 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Trenton Mercer Airport
Today looks like the warmest upcoming period in Trenton Mercer Airport at 103 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Today at about 5 to 10 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 2, 2026 9:05 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
Clear, with a low around 80. Heat index values as high as 109. West wind 5 to 10 mph.
Isolated showers and thunderstorms after 3pm. Sunny, with a high near 103. Heat index values as high as 110. West wind 5 to 10 mph. Chance of precipitation is 20%.
Isolated showers and thunderstorms before 2am. Mostly clear, with a low around 78. Heat index values as high as 106. West wind 5 to 10 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 100. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 80%.
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 80%.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.
Mostly sunny, with a high near 83.
Partly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 2
|
Sunny
|
103°F |
5 to 10 mph
W
|
|
Tonight
Jul 2
|
Clear
|
80°F |
5 to 10 mph
W
|
|
Friday
Jul 3
|
Sunny then Isolated Showers And Thunderstorms
|
103°F |
5 to 10 mph
W
|
|
Friday Night
Jul 3
|
Isolated Showers And Thunderstorms
|
78°F |
5 to 10 mph
W
|
|
Independence Day
Jul 4
|
Sunny then Chance Showers And Thunderstorms
|
100°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 4
|
Chance Showers And Thunderstorms
|
74°F |
0 to 10 mph
NW
|
|
Sunday
Jul 5
|
Partly Sunny then Showers And Thunderstorms Likely
|
94°F |
0 to 5 mph
NE
|
|
Sunday Night
Jul 5
|
Showers And Thunderstorms Likely
|
70°F |
0 to 5 mph
SE
|
|
Monday
Jul 6
|
Showers And Thunderstorms
|
85°F |
5 mph
E
|
|
Monday Night
Jul 6
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
68°F |
0 to 5 mph
NE
|
|
Tuesday
Jul 7
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
86°F |
5 mph
NE
|
|
Tuesday Night
Jul 7
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
0 to 5 mph
E
|
|
Wednesday
Jul 8
|
Mostly Sunny
|
83°F |
0 to 5 mph
E
|
|
Wednesday Night
Jul 8
|
Partly Cloudy
|
69°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Trenton Mercer Airport.