Spruce Run Reservoir

Spruce Run Reservoir

Hampton, Hunterdon County, NJ
2mi²
81.00ft
Directions
Lake Information

Surrounded by the rolling hills of Hunterdon County, Spruce Run Recreation Area is popular with picnickers, swimmers, fishermen, boaters and campers. The reservoir was one of the first water supply facilities to be constructed and operated by the state and covers 1,290 acres with 15 miles of shoreline for recreation. Spruce Run is the third largest reservoir in the state after Round Valley and Wanaque reservoirs.

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Current Conditions

69°F°
Feels like 72°F°
Cloudy
Today's High
69°F°
Today's Low
62°F°

Water Temperature

54°F
Updated: (May 3)
Sign in to contribute temps.

Current water temperature for Spruce Run Reservoir is 54°F.

Current Snapshot

Wind1 mph NE (Gust 2 mph)
Pressure
29.84 inHg
Visibility15 mi
Humidity79%
Cloud Cover100%

Forecast: Sunday, May 4

Day 1 of 9

Hourly Insights

7 AM
63°F°
10%
10 AM
67°F°
23%
1 PM
67°F°
66%
4 PM
67°F°
61%
7 PM
65°F°
63%

Temperature

High
69°F°
Low
62°F°

Precipitation

Chance88%
Amount0.71"
Typerain

Wind

2mph
Avg Speed
Gusts up to
14mph
CalmModerateStrong
Max Speed6 mph

Sun, Moon & UV

Sunrise9:54 AM
Sunset11:59 PM
Moon PhasefirstQuarter
Max UV Index4 (Moderate)

Solunar Fishing Forecast

Action Rating
2/5

Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

11:09 PM - 1:39 AM

12:49 PM - 3:19 PM

Minor Times (Good)

3:46 PM - 5:16 PM

5:53 AM - 7:23 AM

Outlook for Sunday at Spruce Run Reservoir

Expect temperatures ranging from 62°F to 69°F. There's a 88% chance of rain, potentially bringing around 0.71" rain. Winds will be averaging 2 mph, with potential gusts reaching up to 14 mph. The maximum UV index will be 4 (Moderate), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 11:09 PM and 12:49 PM, or try the minor windows near 3:46 PM and 5:53 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Spruce Run Reservoir.

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May 4th 2025

Lake Information

Elevation
81 ft
Area
2 mi²
Coordinates
40.659, -74.940

Weather Forecast

Sunday

69°F
62°F

Monday

66°F
59°F

Tuesday

70°F
58°F

Wednesday

69°F
54°F

Thursday

70°F
55°F

Friday

60°F
50°F

Saturday

62°F
48°F

Sunday

68°F
48°F

Monday

72°F
49°F
Sunday - 5/4/2025
69°F
62°F
12am
64°F
54°F
29.89 hPa
0 mph
WSW
G: 0 mph
2am
64°F
54°F
29.88 hPa
0 mph
WSW
G: 2 mph
4am
62°F
54°F
29.86 hPa
0 mph
S
G: 3 mph
6am
62°F
54°F
29.86 hPa
1 mph
ESE
G: 5 mph
8am
63°F
54°F
29.88 hPa
2 mph
SE
G: 8 mph
10am
67°F
54°F
29.89 hPa
2 mph
SSE
G: 8 mph
12pm
69°F
54°F
29.89 hPa
2 mph
S
G: 5 mph
2pm
66°F
54°F
29.88 hPa
3 mph
SE
G: 10 mph
4pm
67°F
54°F
29.88 hPa
3 mph
SE
G: 10 mph
6pm
67°F
54°F
29.89 hPa
1 mph
ESE
G: 7 mph
8pm
65°F
54°F
29.91 hPa
2 mph
E
G: 7 mph
10pm
64°F
54°F
29.93 hPa
6 mph
ESE
G: 14 mph

Water Temperature History

Trends for Spruce Run Reservoir

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

35°F

On Dec 15

Coldest point in the Last 12 Months.

Average in Period

53°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: August (76°F).
  • Coolest avg: December (37°F).
  • Rapid warming often occurs: July → August (+9°F).
  • Sharpest cooling trend: November → December (-15°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm0481216

Wind Direction

245°

Pressure

1012 mb

Cloud Cover

75%

Visibility

9 miles

Daily Pressure Forecast

SunMonTueWedThuFriSatSunMon0.008.8617.7226.5835.44
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Frequently Asked Questions About Spruce Run Reservoir

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