Sourland Mountain Weather Forecast

Today 22 Apr
- 44
- 61
Chance Rain Showers
Thu 23 Apr
- 48
- 74
Partly Sunny
Fri 24 Apr
- 46
- 64
Rain Showers Likely
Sat 25 Apr
- 42
- 49
Rain Showers Likely
Sun 26 Apr
- 40
- 59
Slight Chance Rain Showers
Mon 27 Apr
- 44
- 64
Chance Rain Showers
Tue 28 Apr
- 48
- 61
Chance Rain Showers

Today 22 Apr
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Thu 23 Apr
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Fri 24 Apr
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 11 am
11. 2 pm
12. 5 pm
13. 8 pm
14. 11 pm
Sat 25 Apr
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
Sun 26 Apr
1. 2 am
2. 8 am
3. 2 pm
4. 8 pm
Mon 27 Apr
1. 2 am
2. 8 am
3. 2 pm
4. 8 pm
Tue 28 Apr
1. 2 am
2. 8 am
3. 2 pm
4. 8 pm

Today 22 Apr Hunterdon

Mostly cloudy. Highs around 60. East Winds around 5 Mph.

Tonight 22 Apr Hunterdon

Partly cloudy. Patchy fog after midnight. Lows in the lower 40s. East Winds around 5 Mph, becoming north after midnight.

Sourland Mountain Temperature Statistics

April Temperature

Trenton, Mercer County Airport (8.1 miles)

Lowest 21 January, 2026
-0.3 °F
Average 2026
38.8 °F
Highest 15 April, 2026
88.6 °F
Lowest 2 March, 2026
21.7 °F
Average March
46.2 °F
Highest 10 March, 2026
80.7 °F
Lowest 8 April, 2026
27.6 °F
Average April
56.9 °F
Highest 15 April, 2026
88.6 °F

Climate (2021–Present)

Trenton, Mercer County Airport (8.1 miles)

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Average Low 2021–2026
46 °F
Average 2021–2026
55.2 °F
Average High 2021–2026
64.4 °F

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Sourland Mountain Weather Forecast

Today 22 Apr Hunterdon

Tonight 22 Apr Hunterdon

Thu 23 Apr Hunterdon

Thu 23 Apr Hunterdon

Fri 24 Apr Hunterdon

Fri 24 Apr Hunterdon

Sat 25 Apr Hunterdon

Sat 25 Apr Hunterdon

Sun 26 Apr Hunterdon

Sun 26 Apr Hunterdon

Mon 27 Apr Hunterdon

Mon 27 Apr Hunterdon

Tue 28 Apr Hunterdon

Tue 28 Apr Hunterdon

Temperature Forecast NOAA

Temperature Real-Time

Philadelphia Radar

National Satellite

National Synoptic

Sourland Mountain Temperature Statistics

April Temperature

Trenton, Mercer County Airport (8.1 miles)

Lowest 21 January, 2026

Average 2026

Highest 15 April, 2026

Lowest 2 March, 2026

Average March

Highest 10 March, 2026

Lowest 8 April, 2026

Average April

Highest 15 April, 2026

Climate (2021–Present)

Trenton, Mercer County Airport (8.1 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026