Water Temperature of Cannonsville Reservoir Diversion Channel in Grahamsville, NY

Current Water Temperature

52.0°F

Measurement Time: Tuesday, May 19, 2026, 2:15 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

70.9°F
Patchy rain nearby
Patchy rain nearby
70.9°F
72.2°F
89%
SSW 3.4 mph
6.7 mph
70.9°F
67.9°F
0.01 in
86%
5 mi
1016 mbar
0.2

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 88°F
L: 64°F
Patchy rain nearby
Wed
H: 77°F
L: 49°F
Sunny
Thu
H: 65°F
L: 42°F
Sunny
Fri
H: 65°F
L: 38°F
Patchy rain nearby
Sat
H: 49°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 8.75 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:54 AM
Sunset: 8:16 PM
Daylight: 14 hrs 42 mins
Moonrise: 7:46 AM
Moon Transit: 3:58 PM
Moonset: 12:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:05 AM - 7:35 AM
3:28 PM - 5:58 PM

Minor Periods

7:16 AM - 8:46 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Heat Advisory issued May 19 at 1:20AM EDT until May 19 at 7:00PM EDT by NWS Albany NY

Effective: Tue May 19, 2026, 1:20 AM
Expires: Tue May 19, 2026, 4:15 PM

* WHAT...Heat index values in the mid 90s. * WHERE...Eastern Ulster and Western Dutchess Counties in the mid Hudson River Valley. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
88.2°F
64.3°F
75.2°F
66%
0.04 in
81%
0%
17.9 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 8.57 μg/m3
PM10: 9.88 μg/m3
Carbon Monoxide: 175.17 μg/m3
Nitrogen Dioxide: 2.37 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 95.8 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:54 AM
Sunset: 8:16 PM
Daylight: 14 hrs 42 mins
Moonrise: 7:46 AM
Moon Transit: 3:58 PM
Moonset: 12:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:05 AM - 7:35 AM
3:28 PM - 5:58 PM

Minor Periods

7:16 AM - 8:46 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
77°F
49°F
64.8°F
77%
0.01 in
86%
0%
13 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 5.13 μg/m3
PM10: 5.87 μg/m3
Carbon Monoxide: 149.65 μg/m3
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 79.76 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:54 AM
Sunset: 8:17 PM
Daylight: 14 hrs 44 mins
Moonrise: 9:03 AM
Moon Transit: 5:00 PM
Moonset: 12:03 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:09 AM - 8:39 AM
4:30 PM - 7:00 PM

Minor Periods

8:33 AM - 10:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
65.4°F
42.2°F
52.5°F
52%
0 in
0%
0%
5.8 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 2.25 μg/m3
Carbon Monoxide: 125.37 μg/m3
Nitrogen Dioxide: 2.09 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 69.68 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:54 AM
Sunset: 8:18 PM
Daylight: 14 hrs 45 mins
Moonrise: 10:22 AM
Moon Transit: 5:56 PM
Moonset: 12:46 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
5:26 PM - 7:56 PM

Minor Periods

9:52 AM - 11:22 AM
12:16 AM - 1:46 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
65.2°F
38.3°F
52.3°F
57%
0 in
0%
0%
6.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 3.69 μg/m3
PM10: 4.1 μg/m3
Carbon Monoxide: 142.96 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 70.56 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:54 AM
Sunset: 8:19 PM
Daylight: 14 hrs 47 mins
Moonrise: 11:37 AM
Moon Transit: 6:47 PM
Moonset: 1:18 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

8:01 AM - 10:31 AM
6:17 PM - 8:47 PM

Minor Periods

11:07 AM - 12:37 AM
12:48 AM - 2:18 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
49.3°F
46.6°F
48.7°F
93%
0.1 in
87%
0%
4.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 8.07 μg/m3
PM10: 9.3 μg/m3
Carbon Monoxide: 165.77 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 76.23 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:54 AM
Sunset: 8:19 PM
Daylight: 14 hrs 49 mins
Moonrise: 12:48 AM
Moon Transit: 7:34 PM
Moonset: 1:45 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
7:04 PM - 9:34 PM

Minor Periods

12:18 AM - 1:48 PM
1:15 AM - 2:45 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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