Water Temperature of the Ponaganset River in South Foster, RI

Current Water Temperature

68.4°F

Measurement Time: Thursday, June 18, 2026, 1:20 AM EDT

Temperature Locations

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Local Points of Interest

Scituate Reservoir Protection Area; Foster, RI

Ponaganset River

Station Name: PONAGANSET RIVER AT SOUTH FOSTER, RI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 381 feet

Nearest Address:
51–98 Rams Tail Rd
South Foster, RI 02825
Providence County

GPS Coordinates: 41.8187102, -71.7050677

Nearby Water Temperatures

Dolly Cole Brook, Foster, RI (0.3 mi)
Windsor Brook, Foster, RI (1.5 mi)
Hemlock Brook, Foster, RI (2 mi)
Swamp Brook, Scituate, RI (2.4 mi)
Bear Tree Brook, Clayville, RI (2.9 mi)
Westconnaug Stream, Clayville, RI (3 mi)
Cork Brook, Scituate, RI (3 mi)
Spruce Brook, North Scituate, RI (4.8 mi)
Rush Brook, North Scituate, RI (5 mi)
Unnamed Tributary, North Scituate, RI (5 mi)
Wilbur Hollow Brook, Clayville, RI (5.2 mi)
Huntinghouse Brook, Scituate, RI (5.3 mi)
Peeptoad Brook, Scituate, RI (5.6 mi)
Quonapaug Brook, North Scituate, RI (6.4 mi)
Moswansicut Stream, North Scituate, RI (6.4 mi)

Weather for South Foster, Rhode Island

Current Weather

61°F
Partly cloudy
Partly cloudy
61°F
63.4°F
90%
SE 6.9 mph
13.8 mph
63.4°F
57.1°F
0.02 in
75%
9 mi
1009 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 85°F
L: 61°F
Sunny
Fri
H: 82°F
L: 60°F
Sunny
Sat
H: 78°F
L: 57°F
Patchy rain nearby
Sun
H: 78°F
L: 51°F
Heavy rain
Mon
H: 70°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 7.4 μg/m3
PM10: 9.9 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:48 AM
Sunset: 8:25 PM
Daylight: 15 hrs 14 mins
Moonrise: 9:06 AM
Moon Transit: 4:27 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
3:57 PM - 6:27 PM

Minor Periods

8:36 AM - 10:06 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued June 17 at 7:52PM EDT until June 18 at 7:00PM EDT by NWS Boston/Norton MA

Effective: Wed June 17, 2026, 7:52 PM
Expires: Thu June 18, 2026, 9:00 AM

* WHAT...South winds 15 to 20 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM to 7 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued June 17 at 2:09PM EDT until June 18 at 7:00PM EDT by NWS Boston/Norton MA

Effective: Wed June 17, 2026, 2:09 PM
Expires: Thu June 18, 2026, 3:15 AM

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM to 7 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued June 18 at 3:41AM EDT until June 18 at 7:00PM EDT by NWS Boston/Norton MA

Effective: Thu June 18, 2026, 3:41 AM
Expires: Thu June 18, 2026, 4:45 PM

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued June 18 at 2:22AM EDT until June 18 at 7:00PM EDT by NWS Boston/Norton MA

Effective: Thu June 18, 2026, 2:22 AM
Expires: Thu June 18, 2026, 4:15 PM

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
84.7°F
61.2°F
70.2°F
76%
0.07 in
57%
0%
18.1 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 7.42 μg/m3
PM10: 9.52 μg/m3
Carbon Monoxide: 123.54 μg/m3
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 99.38 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:48 AM
Sunset: 8:25 PM
Daylight: 15 hrs 14 mins
Moonrise: 9:06 AM
Moon Transit: 4:27 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
3:57 PM - 6:27 PM

Minor Periods

8:36 AM - 10:06 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
82.4°F
59.8°F
69.9°F
53%
0 in
3%
0%
14.5 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 2.83 μg/m3
PM10: 3.03 μg/m3
Carbon Monoxide: 119.88 μg/m3
Nitrogen Dioxide: 1.59 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 86.46 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:48 AM
Sunset: 8:25 PM
Daylight: 15 hrs 14 mins
Moonrise: 10:22 AM
Moon Transit: 5:16 PM
Moonset: 12:34 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
4:46 PM - 7:16 PM

Minor Periods

9:52 AM - 11:22 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
77.5°F
57.3°F
66.7°F
49%
0 in
2%
0%
14.3 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 2.08 μg/m3
PM10: 2.13 μg/m3
Carbon Monoxide: 108.21 μg/m3
Nitrogen Dioxide: 1.69 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 72.58 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 12:48 AM
Sunset: 8:25 PM
Daylight: 15 hrs 14 mins
Moonrise: 11:32 AM
Moon Transit: 6:02 PM
Moonset: 12:59 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

7:41 AM - 10:11 AM
5:32 PM - 8:02 PM

Minor Periods

11:02 AM - 12:32 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Patchy rain nearby
77.8°F
50.5°F
64°F
60%
0.03 in
36%
0%
9.4 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 2.27 μg/m3
PM10: 2.49 μg/m3
Carbon Monoxide: 108.84 μg/m3
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 67.83 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 12:48 AM
Sunset: 8:26 PM
Daylight: 15 hrs 14 mins
Moonrise: 12:40 AM
Moon Transit: 6:45 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
6:15 PM - 8:45 PM

Minor Periods

12:10 AM - 1:40 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, June 22, 2026

Weather Forecast

Heavy rain
70.3°F
58.3°F
63.1°F
89%
1.91 in
89%
0%
15.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.68 μg/m3
PM10: 8.93 μg/m3
Carbon Monoxide: 147.11 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 77.44 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 12:48 AM
Sunset: 8:26 PM
Daylight: 15 hrs 14 mins
Moonrise: 1:45 PM
Moon Transit: 7:28 PM
Moonset: 12:41 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
6:58 PM - 9:28 PM

Minor Periods

1:15 PM - 2:45 PM
12:11 AM - 1:41 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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