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Lake Loch Lomond Water Temperature

Lake Loch Lomond in Orange County, Florida typically sits around 83°F at the surface in September — warmest in Jul (~87°F) and coldest in Jan (~60°F). That is a typical value for the month, not a live reading.

Typical in September
83°F
Warm
Summer average
87°F
Warmest (Jul)
87°F
Coldest (Jan)
60°F

Typical water temperature by month

Jan
60°
Feb
66°
Mar
71°
Apr
76°
May
80°
Jun
86°
Jul
87°
Aug
87°
Sep
83°
Oct
77°
Nov
74°
Dec
67°

Typical surface water temperature by month, from 46 field readings (20142025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Lake Loch Lomond warm enough to swim?

At its summer peak (~87°F): Warm

Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

Want more than temperature? Lake Loch Lomond water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.

Where to stay near Lake Loch Lomond

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Lake Loch Lomond — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Lake Loch Lomond

Prices for Sep 18–20, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Frequently asked questions

What is the water temperature of Lake Loch Lomond?

Lake Loch Lomond typically sits around 83°F at the surface in September, from 46 EPA Water Quality Portal field readings (2014–2025). That is a typical value for the month, not a live reading.

When is Lake Loch Lomond warmest?

Surface water at Lake Loch Lomond is typically warmest in July, reaching about 87°F. Lake surface temperature lags air temperature by several weeks, so the warmest water usually arrives in mid-to-late summer even though the hottest air can come earlier.

Is Lake Loch Lomond warm enough to swim?

At its typical summer peak of about 87°F, Lake Loch Lomond rates as "warm" for swimming. Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

Where does this Lake Loch Lomond water temperature data come from?

Every temperature on this page is a typical (climatological) value computed from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal — 46 readings from 2 monitoring stations between 2014 and 2025. They describe what is typical for each month, not the temperature right now.

About this data

Water temperatures are a climatology — the typical value for each month, averaged from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal. They tell you what to expect, not the temperature at this moment. Actual conditions vary with recent weather, depth, and time of day.