Water Temperature of the Saint Croix River in Stillwater, MN

Current Water Temperature

55.8°F

Measurement Time: Saturday, May 9, 2026, 10:15 AM CDT

Temperature Locations

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Local Points of Interest

Lowell Park; Stillwater Lift Bridge; Lake Saint Croix; Houlton, WI; Hudson, WI

Saint Croix River

Station Name: Stillwater
Data Source: USGS

Elevation Above Sea Level: 666 feet

Nearest Address:
498 Chestnut St E
Stillwater, MN 55082
Washington County

GPS Coordinates: 45.0567, -92.8025

Nearby Water Temperatures

Willow River, Hudson, WI (5.6 mi)
Mississippi River, St Paul, MN (16 mi)
Rice Creek, Mounds View, MN (19.3 mi)
Mississippi River, Hastings, MN (20.8 mi)
Mississippi River, Prescott, WI (21.2 mi)
Minnehaha Creek, Minneapolis, MN (22.3 mi)
Shingle Creek, Minneapolis, MN (24.8 mi)
St. Croix River, St. Croix Falls, WI (25.4 mi)
St Croix River, St Croix Falls, WI (25.7 mi)
North Lake, Red Wing, MN (28.1 mi)
Clear Lake, Red Wing, MN (28.3 mi)
Lake George, Spring Valley, WI (30.8 mi)
Eau Galle River, Spring Valley, WI (31 mi)
Mississippi River, Red Wing, MN (32.2 mi)
Sunrise River, North Branch, MN (33.8 mi)

Weather for Stillwater, Minnesota

Current Weather

37.9°F
Overcast
Overcast
33.4°F
44°F
81%
NW 5.8 mph
9 mph
40.6°F
33°F
0 in
100%
9 mi
1019 mbar
0.2

Five Day Weather Forecast

Sunny
Sun
H: 62°F
L: 39°F
Sunny
Mon
H: 62°F
L: 35°F
Patchy rain nearby
Tue
H: 69°F
L: 51°F
Partly Cloudy
Wed
H: 64°F
L: 47°F
Patchy rain nearby
Thu
H: 73°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 2.65 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 137.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:07 PM
Sunset: 8:28 PM
Daylight: 14 hrs 41 mins
Moonrise: 2:48 AM
Moon Transit: 7:57 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
7:26 PM - 9:56 PM

Minor Periods

12:48 AM - 2:18 PM
2:18 AM - 3:48 AM

Action Rating: 2 out of 5

Frost Advisory issued May 9 at 12:59PM CDT until May 10 at 8:00AM CDT by NWS Twin Cities/Chanhassen MN

Effective: Sat May 9, 2026, 12:59 PM
Expires: Sun May 10, 2026, 8:00 AM

* WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of central, east central, south central, southwest, and west central Minnesota and northwest and west central Wisconsin. * WHEN...From 3 AM to 8 AM CDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Frost Advisory issued May 9 at 10:16PM CDT until May 10 at 8:00AM CDT by NWS Twin Cities/Chanhassen MN

Effective: Sat May 9, 2026, 10:16 PM
Expires: Sun May 10, 2026, 8:00 AM

* WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of central, east central, south central, southwest, and west central Minnesota and northwest and west central Wisconsin. * WHEN...From 3 AM to 8 AM CDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Sunday, May 10, 2026

Weather Forecast

Sunny
62.4°F
39.4°F
48.5°F
48%
0 in
0%
0%
13.6 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 2.25 μg/m3
PM10: 2.41 μg/m3
Carbon Monoxide: 143.05 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 78.64 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:07 PM
Sunset: 8:28 PM
Daylight: 14 hrs 41 mins
Moonrise: 2:48 AM
Moon Transit: 7:57 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
7:26 PM - 9:56 PM

Minor Periods

12:48 AM - 2:18 PM
2:18 AM - 3:48 AM

Action Rating: 2 out of 5

Monday, May 11, 2026

Weather Forecast

Sunny
61.7°F
35.3°F
49.4°F
51%
0 in
0%
0%
14.3 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 2.33 μg/m3
PM10: 2.47 μg/m3
Carbon Monoxide: 147.77 μg/m3
Nitrogen Dioxide: 4.72 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 73.56 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:07 PM
Sunset: 8:30 PM
Daylight: 14 hrs 43 mins
Moonrise: 3:07 AM
Moon Transit: 8:42 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
8:11 PM - 10:41 PM

Minor Periods

1:59 PM - 3:29 PM
2:37 AM - 4:07 AM

Action Rating: 3 out of 5

Tuesday, May 12, 2026

Weather Forecast

Patchy rain nearby
68.7°F
51°F
58.2°F
64%
0.04 in
84%
0%
22.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.69 μg/m3
PM10: 3.89 μg/m3
Carbon Monoxide: 146.33 μg/m3
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 90.08 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:07 PM
Sunset: 8:31 PM
Daylight: 14 hrs 46 mins
Moonrise: 3:26 AM
Moon Transit: 8:41 PM
Moonset: 3:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

8:11 PM - 10:41 PM
8:11 PM - 10:41 PM

Minor Periods

3:12 PM - 4:42 PM
2:56 AM - 4:26 AM

Action Rating: 4 out of 5

Wednesday, May 13, 2026

Weather Forecast

Partly Cloudy
63.5°F
46.9°F
54.2°F
59%
0 in
0%
0%
17.9 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 1.77 μg/m3
PM10: 1.99 μg/m3
Carbon Monoxide: 138.25 μg/m3
Nitrogen Dioxide: 2.21 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 89.44 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:07 PM
Sunset: 8:32 PM
Daylight: 14 hrs 48 mins
Moonrise: 3:45 AM
Moon Transit: 10:13 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:43 AM - 12:13 AM

Minor Periods

4:28 PM - 5:58 PM
3:15 AM - 4:45 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Patchy rain nearby
73.4°F
45.6°F
57.5°F
68%
0.02 in
86%
0%
18.8 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 158.35 μg/m3
Nitrogen Dioxide: 8.07 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 74.85 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:07 PM
Sunset: 8:33 PM
Daylight: 14 hrs 50 mins
Moonrise: 4:06 AM
Moon Transit: 11:03 AM
Moonset: 6:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:33 AM - 1:03 PM

Minor Periods

5:48 PM - 7:18 PM
3:36 AM - 5:06 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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