BrrChecker

Walnut Creek Upstream Pool, near Erie, Pennsylvania water temperature

Walnut Creek Upstream Pool, near Erie, Pennsylvania · River

The current water temperature at Walnut Creek Upstream Pool is 18.1 °C (as of September 20, 2026, source: USGS).

A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.

18.1 °C
Measured: September 20, 2026 · continuously updated
💧 Water 18.1° · ☀️ Air 18.2°
Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 148 data points since July 22, 2026.

Lowest recorded value: 16.9 °C on September 7, 2026 · highest value: 24.8 °C on August 6, 2026.

In September, temperatures have ranged between 16.9 °C and 24.5 °C.

The current value is 2.4 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at Walnut Creek Upstream Pool right now?
The current water temperature is 18.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Walnut Creek Upstream Pool?
Currently 18.1 °C (updated continuously).

How warm is at Walnut Creek Upstream Pool in September?
In September, the water temperature recently averaged 20.5 °C.

When is the water warmest at Walnut Creek Upstream Pool?
Across the measurement record, July is on average the warmest month (21.6 °C).

Open in the BrrChecker app

← All waters · Warmest rivers today · Water temperature in United States