
Spruce Run Reservoir
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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Spruce Run Reservoir
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.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Spruce Run Reservoir is 54°F.
Current Snapshot
Forecast: Sunday, May 4
Thunderstorms
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)
11:09 PM - 1:39 AM
12:49 PM - 3:19 PM
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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Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Spruce Run Reservoir
Current Temp
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
Wind Direction
245°
Pressure
1012 mb
Cloud Cover
75%
Visibility
9 miles
Daily Pressure Forecast


Frequently Asked Questions About Spruce Run Reservoir
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