Main water temperature

Main, Astheim · River

The current water temperature at Main is 21.3 °C (as of September 1, 2026, source: PEGELONLINE).

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.

21.3 °C

Measured: September 1, 2026 · continuously updated

💧 Water 21.3° · ☀️ Air 14.3° · high today 22.5°

Temperature trend of recent weeks

Main — Photo: Störfix · CC BY-SA 3.0 de · Wikimedia Commons

Measurement series & statistics

This measurement series includes 761 data points since July 3, 2026.

Lowest recorded value: 0.0 °C on July 5, 2026 · highest value: 26.3 °C on July 3, 2026.

Nearby waters

Main, Schweinfurt Neuer Hafen · 19.2 km away20.0 °C Main, Würzburg · 22.0 km away21.4 °C Main, Trunstadt · 39.3 km away20.1 °C Main, Trunstadt · 39.3 km away20.1 °C Main, Steinbach · 47.2 km away22.0 °C

More measuring points: Main

Frankfurt Osthafen22.4 °C Obernau22.1 °C Kleinostheim_Wuk22.0 °C Krotzenburg22.0 °C Steinbach22.0 °C Faulbach21.9 °C

Frequently asked questions

Can you swim at Main right now?
The current water temperature is 21.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Main?
Currently 21.3 °C (updated continuously).

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