38.0617’ N, 121.5550’ W

Prisoners Point, San Joaquin River, CA

71°
H 92°
L 60°
WNW
5mph
High tide
11:35 am

Prisoners Point, San Joaquin River, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Oct 2
Partly Cloudy
Close Hourly
92º / 60º 0% WNW 6 mph 37%
10am Mostly Sunny 71º 0% WNW 5 mph 60%
11am Partly Cloudy 75º 0% WNW 5 mph 50%
12pm Partly Cloudy 79º 0% WNW 5 mph 45%
1pm Mostly Cloudy 84º 0% NW 5 mph 36%
2pm Mostly Cloudy 87º 0% WNW 5 mph 32%
3pm Mostly Cloudy 90º 0% WNW 5 mph 28%
4pm Mostly Cloudy 90º 0% WNW 6 mph 27%
5pm Mostly Cloudy 90º 0% WNW 5 mph 26%
6pm Mostly Cloudy 86º 0% W 5 mph 31%
7pm Mostly Cloudy 80º 0% W 5 mph 37%
8pm Mostly Cloudy 77º 0% W 7 mph 41%
9pm Partly Cloudy 74º 0% W 7 mph 46%
10pm Partly Cloudy 73º 0% W 8 mph 50%
11pm Partly Cloudy 72º 0% W 9 mph 51%
Sat
Oct 3
Sunny
View Hourly
99º / 62º 3% NW 6 mph 37%
12am Partly Cloudy 71º 0% W 9 mph 54%
1am Partly Cloudy 70º 0% W 8 mph 57%
2am Partly Cloudy 67º 1% W 7 mph 64%
3am Mostly Clear 66º 1% W 7 mph 67%
4am Partly Cloudy 64º 2% W 6 mph 72%
5am Mostly Clear 64º 2% W 6 mph 71%
6am Clear 62º 3% W 5 mph 76%
7am Clear 61º 4% W 5 mph 77%
8am Sunny 65º 1% WNW 5 mph 70%
9am Sunny 72º 0% WNW 5 mph 55%
10am Sunny 76º 0% WNW 5 mph 46%
11am Sunny 82º 0% NW 4 mph 38%
12pm Sunny 87º 0% NW 5 mph 31%
1pm Sunny 91º 0% NNW 5 mph 27%
2pm Sunny 93º 0% NW 5 mph 24%
3pm Sunny 95º 0% NNW 5 mph 21%
4pm Sunny 97º 0% NW 6 mph 19%
5pm Sunny 97º 0% NW 6 mph 18%
6pm Sunny 93º 0% WNW 6 mph 23%
7pm Clear 85º 0% WNW 5 mph 29%
8pm Clear 79º 0% W 7 mph 35%
9pm Clear 76º 1% W 7 mph 40%
10pm Clear 75º 0% WSW 8 mph 40%
11pm Clear 74º 0% W 8 mph 40%
Sun
Oct 4
Partly Cloudy
View Hourly
98º / 61º 1% WNW 7 mph 34%
12am Clear 72º 0% WSW 8 mph 45%
1am Clear 70º 0% WSW 8 mph 48%
2am Clear 69º 0% W 7 mph 51%
3am Clear 68º 0% W 7 mph 55%
4am Clear 67º 0% W 6 mph 57%
5am Clear 65º 0% W 5 mph 62%
6am Mostly Clear 64º 1% W 5 mph 65%
7am Partly Cloudy 63º 1% W 5 mph 67%
8am Partly Cloudy 67º 1% W 5 mph 61%
9am Mostly Cloudy 73º 0% W 5 mph 49%
Mon
Oct 5
Sunny 97º / 62º 2% WNW 9 mph 37%
Tue
Oct 6
Sunny 97º / 62º 3% WNW 10 mph 38%
Wed
Oct 7
Sunny 98º / 62º 2% WNW 9 mph 37%
Thu
Oct 8
Mostly Sunny 96º / 61º 3% W 9 mph 37%
Fri
Oct 9
Mostly Sunny 88º / 58º 8% W 11 mph 45%

Weather Radar for Prisoners Point, San Joaquin River, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Prisoners Point, San Joaquin River, CA

Today
High : 83ºF
Variable winds 5 kt or less. Partly sunny.
Tonight
Low : 65ºF
Variable winds 5 kt or less. Mostly clear.
Saturday
High : 88ºF
Variable winds 5 kt or less. Sunny.
Saturday Night
Low : 67ºF
Variable winds 5 kt or less. Clear.
Sunday
High : 87ºF
Variable winds 5 kt or less. Mostly sunny.
Sunday Night
Low : 68ºF
Variable winds less than 5 kt becoming W 5 to 7 kt. Mostly clear.
Monday
High : 87ºF
Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Sunny.
Monday Night
Low : 66ºF
W wind 5 to 7 kt. Clear.
Tuesday
High : 87ºF
WNW wind around 6 kt. Sunny.

NOAA Buoy Data Near Prisoners Point, San Joaquin River, CA See Map

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    Wind Speed Forecast for Prisoners Point, San Joaquin River, CA

    FridaySaturdaySunday
    Wind Speed (MPH) 555875556875
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 555875556875
    DIR WNWWNWWWWWWNWNWWNWWSWWW

    Current Weather Conditions In Prisoners Point, San Joaquin River, CA

    As Of: 10 minutes ago

    • 71ºF
    • 71ºF
    • 5mph
    • 0º (WNW)
    • 5mph
    • Mostly Sunny
    • 10mi
    • 29.91"
    • 60%
    • 0ºF

    The weather right now in Prisoners Point, San Joaquin River, CA is Mostly Sunny. The current temperature is 71°F, and the expected high and low for today, Friday, October 2, 2026, are 92° high temperature and 60°F low temperature. The wind is currently blowing at 5 miles per hour, and coming from the West Northwest. The wind is gusting to 5 mph. With the wind and the atmosphere the temperature feels like 71° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 60 percent, and air pressure at 29.91 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Heat Advisory - 9:34am Thu Oct 1 2026

    ...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT MONDAY...

    WHAT: High temperatures of 94 to 100 degrees expected, with
    widespread Moderate HeatRisk and areas of Major HeatRisk.

    WHERE: Portions of the central and southern Sacramento Valley,
    northern San Joaquin Valley, Delta and Carquinez Strait, and
    foothills.

    WHEN: From 11 AM Saturday to 10 PM PDT Monday.

    IMPACTS: Hot temperatures may cause heat illnesses.

    ADDITIONAL DETAILS: Hottest days expected on Sunday and Monday.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&