Where is Jefferson Slough?

Jefferson Slough is a bay in Texas.

Updated June 13, 2026

Jefferson Slough

Bay

Use caution — no live reading, and an advisory is in effect

Use caution

Use caution — no live reading, and an advisory is in effect: a Heat Advisory is in effect for Jack; Wise; Denton; Collin.

A Heat Advisory is in effect for Jack; Wise; Denton; Collin.
No official beach advisory posted (Texas Beach Watch (Texas GLO) checked).

See full conditions ↓Can I swim today? →

Use cautionHot — visit early

bay in Denton County, Texas, United States of America

Interactive map not available

Use caution — no live reading, and an advisory is in effect

Use caution

Use caution — no live reading, and an advisory is in effect: a Heat Advisory is in effect for Jack; Wise; Denton; Collin.

A Heat Advisory is in effect for Jack; Wise; Denton; Collin. — NWS Fort Worth TX
No official beach advisory posted (Texas Beach Watch (Texas GLO) checked).
No live water-temperature reading for this spot.

Official advisories

Checked against Texas Beach Watch (Texas GLO) — no advisory posted.

Live map near here →

Weather at Jefferson Slough

H: 113° L: 81°

Partly Cloudy

106°

Feels like 106°

Precipitation

Humidity

21%

Wind

6 mph

UV Index

9.9

Water Conditions:

🏊Perfect for swimming🧴High UV - use sunscreen

12 AM

86°

3 AM

83°

6 AM

82°

9 AM

89°

12 PM

108°

3 PM

109°

6 PM

108°

9 PM

97°

Pack smarter for Jefferson Slough

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

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Water ShoesA flexible default for slick docks, rough entries, and hot pavement.

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Quick-Dry TowelEasy to pack and useful after swims, spray, or surprise rain.

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Reef-Safe SunscreenA smart baseline for exposed water days.

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Dry BagKeeps clothes and small essentials separated from wet gear.

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Frequently asked questions

Where is Jefferson Slough?: Jefferson Slough is a bay in Texas.
Can you swim at Jefferson Slough?: Use caution — no live reading, and an advisory is in effect: a Heat Advisory is in effect for Jack; Wise; Denton; Collin. Checked August 22, 2026.

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

☀️

Right Now

Very warm - visit early morning or evening

General Tips:

›Weekday mornings (8–10 AM) are typically less crowded
›Check the forecast 2–3 days ahead for best planning
›Avoid holiday weekends for a quieter experience

Best Seasons:

☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Texas

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