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.
Cool for swimming. Now in the Oster +17°. Swimming season — August and September.
Water temperature map of the Oster
ColderWarmer
Water temperature in the Oster by city for 2 weeks 📍
| City | for 2 weeks | Swimming |
|---|---|---|
| Roslavl' | +17° | Cool for swimming |
| Shumyachi | +17° | Cool for swimming |
| Oster | +17° | Cool for swimming |
🎣 Fishing in cities on the Oster
Water temperature forecast in the Oster for 2 weeks 📅
Friday
21 August
+17°
Saturday
22 August
+17°
Sunday
23 August
+17°
Monday
24 August
+17°
Tuesday
25 August
+17°
Wednesday
26 August
+16°
Thursday
27 August
+16°
Friday
28 August
+16°
Saturday
29 August
+16°
Sunday
30 August
+15°
Monday
31 August
+15°
Tuesday
1 September
+15°
Wednesday
2 September
+15°
Thursday
3 September
+15°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Oster for 2 weeks 📈
+15°
minimum for 2 weeks
+17°
maximum for 2 weeks
↘
falling by +2°
🏊
For 2 weeks: up to +17° — for hardy swimmers.
For 10 days
Over the next 10 days the water in the Oster ranges from +15° to +17°.
Water questions for 2 weeks ❓
What is the water in the Oster for 2 weeks?
From +15° to +17° by the climate model; trend — falling by +2°.
Will the water warm up by the weekend?
On Saturday about +17°.
Can you swim in the Oster for 2 weeks?
up to +17° — for hardy swimmers.
Water temperature forecast in the Oster for 2 weeks. 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.