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 Tosna +10°.
Water temperature map of the Tosna
ColderWarmer
Water temperature in the Tosna by city for 2 weeks 📍
| City | for 2 weeks | Swimming |
|---|---|---|
| Nikolskoe | +11° | Cold water |
| Otradnoe | +10° | Cold water |
| Ulyanovka | +11° | Cold water |
| Tosno | +10° | Cold water |
🎣 Fishing in cities on the Tosna
Water temperature forecast in the Tosna for 2 weeks 📅
Tuesday
8 September
+10°
Wednesday
9 September
+10°
Thursday
10 September
+10°
Friday
11 September
+10°
Saturday
12 September
+10°
Sunday
13 September
+11°
Monday
14 September
+11°
Tuesday
15 September
+11°
Wednesday
16 September
+11°
Thursday
17 September
+12°
Friday
18 September
+12°
Saturday
19 September
+12°
Sunday
20 September
+12°
Monday
21 September
+12°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Tosna for 2 weeks 📈
+10°
minimum for 2 weeks
+12°
maximum for 2 weeks
↗
rising by +2°
🏊
For 2 weeks: no warmer than +12° — too cold for swimming.
For 10 days
Over the next 10 days the water in the Tosna ranges from +10° to +12°.
Water questions for 2 weeks ❓
What is the water in the Tosna for 2 weeks?
From +10° to +12° by the climate model; trend — rising by +2°.
Will the water warm up by the weekend?
On Saturday about +10°.
Can you swim in the Tosna for 2 weeks?
no warmer than +12° — too cold for swimming.
Water temperature forecast in the Tosna 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.