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Marsha Lake Water Temperature

Marsha Lake in Orange County, Florida typically sits around 85°F at the surface in September — warmest in Jul (~86°F) and coldest in Feb (~67°F). That is a typical value for the month, not a live reading.

Typical in September
85°F
Warm
Summer average
86°F
Warmest (Jul)
86°F
Coldest (Feb)
67°F

Typical water temperature by month

Jan
Feb
67°
Mar
71°
Apr
78°
May
85°
Jun
85°
Jul
86°
Aug
86°
Sep
85°
Oct
79°
Nov
72°
Dec
67°

Typical surface water temperature by month, from 72 field readings (20102025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Marsha Lake warm enough to swim?

At its summer peak (~86°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? Marsha Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.

Where to stay near Marsha Lake

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Marsha Lake — 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 Marsha Lake

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 Marsha Lake?

Marsha Lake typically sits around 85°F at the surface in September, from 72 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

When is Marsha Lake warmest?

Surface water at Marsha Lake is typically warmest in July, reaching about 86°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 Marsha Lake warm enough to swim?

At its typical summer peak of about 86°F, Marsha Lake 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 Marsha Lake 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 — 72 readings from 6 monitoring stations between 2010 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.