This is a climate-model estimate, not a measurement: we have no measured water temperature for rivers, lakes and reservoirs yet. Real measurements are available for seas only.
Cold water. Now in the Serena +15°.
Water temperature map of the Serena
ColderWarmer
Water temperature in the Serena by city for 3 days 📍
🎣 Fishing in cities on the Serena
Water temperature forecast in the Serena for 3 days 📅
Monday
31 August
+15°
Tuesday
1 September
+14°
Wednesday
2 September
+14°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Serena for 3 days 📈
+14°
minimum for 3 days
+15°
maximum for 3 days
↘
falling by +1°
🏊
For 3 days: no warmer than +15° — too cold for swimming.
Water questions for 3 days ❓
What is the water in the Serena for 3 days?
From +14° to +15° by the climate model; trend — falling by +1°.
Will the water warm up by the weekend?
On Saturday about +13°.
Can you swim in the Serena for 3 days?
no warmer than +15° — too cold for swimming.
Water temperature forecast in the Serena for 3 days. Daily values and by-city temperatures for this horizon to plan a trip and a swim. Full reference data — map, monthly climate normal, yearly archive and swimming season — is on the main page.