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Sf Boise River water temperature

Sf Boise River, Anderson Ranch Dam, Idaho · River

The current water temperature at Sf Boise River is 10.5 °C (as of September 21, 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.

10.5 °C
Measured: September 21, 2026 · continuously updated
💧 Water 10.5° · ☀️ Air 10.4° · high today 23.0°
Temperature trend of recent weeks
Sf Boise River
Photo: WaterArchives.org from Sacramento, California, USA · CC BY-SA 2.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 430 data points since July 23, 2026.

Lowest recorded value: 8.5 °C on July 23, 2026 · highest value: 12.0 °C on September 9, 2026.

In September, temperatures have ranged between 10.2 °C and 12.0 °C.

The current value is 0.3 °C below the September average of this series.

Nearby waters

More measuring points: Sf Boise River

Frequently asked questions

Can you swim at Sf Boise River right now?
The current water temperature is 10.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Sf Boise River?
Currently 10.5 °C (updated continuously).

How warm is at Sf Boise River in September?
In September, the water temperature recently averaged 10.8 °C.

When is the water warmest at Sf Boise River?
Across the measurement record, September is on average the warmest month (10.8 °C).

Open in the BrrChecker app

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