Water Temperature of Cannonsville Reservoir Diversion Channel in Grahamsville, NY

Current Water Temperature

48.7°F

Measurement Time: Sunday, June 28, 2026, 6:15 PM EDT

Temperature Locations

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Local Points of Interest

Rondout Reservoir

Cannonsville Reservoir Diversion Channel

Station Name: CANNONSVILLE RES DIV CHANNEL NR GRAHAMSVILLE NY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 869 feet

Nearest Address:
1277 State Rte 55A
Grahamsville, NY 12740
Sullivan County

GPS Coordinates: 41.8521111, -74.51302778

Nearby Water Temperatures

Chestnut Creek, Grahamsville, NY (1 mi)
Neversink River, Claryville, NY (4.7 mi)
East Branch Neversink River, Claryville, NY (5.2 mi)
West Branch Neversink River, Claryville, NY (5.7 mi)
Neversink River, Neversink, NY (6.7 mi)
Neversink Reservoir, Neversink, NY (6.7 mi)
East Branch Neversink River, Denning, NY (8.6 mi)
Biscuit Brook, Frost Valley, NY (10 mi)
West Branch Neversink River, Frost Valley, NY (12.1 mi)
Sheldrake Stream, Thompsonville, NY (13.9 mi)
Elk Bushkill, Oliverea, NY (14.2 mi)
Elk Bushkill, Oliverea, NY (14.2 mi)
Neversink River, Bridgeville, NY (15.7 mi)
Willowemoc Creek, Livingston Manor, NY (15.8 mi)
Esopus Creek, Coldbrook, NY (16.8 mi)

Weather for Grahamsville, New York

Current Weather

69.1°F
Overcast
Overcast
69.1°F
68.7°F
84%
N 2.5 mph
5.2 mph
68.7°F
56°F
0 in
100%
9 mi
1018 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 82°F
L: 59°F
Sunny
Mon
H: 84°F
L: 62°F
Patchy rain nearby
Tue
H: 83°F
L: 60°F
Sunny
Wed
H: 94°F
L: 65°F
Sunny
Thu
H: 95°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 7.6 μg/m3
PM10: 7.7 μg/m3
Carbon Monoxide: 139 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:01 PM
Sunset: 8:38 PM
Daylight: 15 hrs 12 mins
Moonrise: 8:08 PM
Moon Transit: 12:00 AM
Moonset: 3:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:34 PM - 4:04 PM

Minor Periods

7:38 PM - 9:08 PM
3:16 AM - 4:46 AM

Action Rating: 2 out of 5

Extreme Heat Watch issued June 28 at 2:11PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Sun June 28, 2026, 2:11 PM
Expires: Mon June 29, 2026, 6:00 AM

* WHAT...Dangerously hot conditions with heat index values up to 108 degrees possible during the daytime hours. * WHERE...In New Jersey, Morris, Sussex, Warren, and Hunterdon Counties. In Pennsylvania, Berks, Lehigh, Northampton, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From Wednesday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the low to mid 70s at night will not offer any relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Sunday, June 28, 2026

Weather Forecast

Sunny
81.7°F
58.6°F
70.7°F
62%
0 in
4%
0%
4.7 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 6.81 μg/m3
PM10: 7 μg/m3
Carbon Monoxide: 124.96 μg/m3
Nitrogen Dioxide: 2.79 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 60.46 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:01 PM
Sunset: 8:38 PM
Daylight: 15 hrs 12 mins
Moonrise: 8:08 PM
Moon Transit: 12:00 AM
Moonset: 3:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:34 PM - 4:04 PM

Minor Periods

7:38 PM - 9:08 PM
3:16 AM - 4:46 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
84.2°F
62.4°F
71.9°F
57%
0 in
3%
0%
4.9 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 8.18 μg/m3
PM10: 8.42 μg/m3
Carbon Monoxide: 123.04 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 78.21 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:01 PM
Sunset: 8:37 PM
Daylight: 15 hrs 12 mins
Moonrise: 8:55 PM
Moon Transit: 12:22 AM
Moonset: 4:37 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:26 PM - 4:56 PM

Minor Periods

8:25 PM - 9:55 PM
4:07 AM - 5:37 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Patchy rain nearby
83.4°F
60°F
72.3°F
77%
0.14 in
68%
0%
7.2 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 8.52 μg/m3
PM10: 8.81 μg/m3
Carbon Monoxide: 144.67 μg/m3
Nitrogen Dioxide: 1.59 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 100 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:01 PM
Sunset: 8:37 PM
Daylight: 15 hrs 11 mins
Moonrise: 9:34 PM
Moon Transit: 1:13 AM
Moonset: 5:35 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
3:16 PM - 5:46 PM

Minor Periods

9:04 PM - 10:34 PM
5:05 AM - 6:35 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
94.3°F
64.7°F
79°F
74%
0 in
10%
0%
10.3 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 7.49 μg/m3
PM10: 8.6 μg/m3
Carbon Monoxide: 143.88 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 91.83 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 11 mins
Moonrise: 10:07 PM
Moon Transit: 2:03 AM
Moonset: 6:38 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:33 AM - 4:03 AM
4:05 PM - 6:35 PM

Minor Periods

9:37 PM - 11:07 PM
6:08 AM - 7:38 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
94.7°F
71.8°F
82.3°F
68%
0 in
5%
0%
11.2 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 14.15 μg/m3
PM10: 19.32 μg/m3
Carbon Monoxide: 200.86 μg/m3
Nitrogen Dioxide: 1.64 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 92.9 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 10 mins
Moonrise: 10:34 PM
Moon Transit: 2:51 AM
Moonset: 7:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
4:52 PM - 7:22 PM

Minor Periods

10:04 PM - 11:34 PM
7:13 AM - 8:43 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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