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.
Comfortable for swimming. Now in the Iskr +20°. Swimming season — from May to September.
Water temperature map of the Iskr
ColderWarmer
Water temperature in the Iskr by city for the week 📍
| City | for the week | Swimming |
|---|---|---|
| Sofiya | +20° | Comfortable for swimming |
| Svoge | +20° | Comfortable for swimming |
| Iskar | +20° | Comfortable for swimming |
| Koynare | +21° | Comfortable for swimming |
| Cherven-Bryag | +19° | Comfortable for swimming |
| Mezdra | +19° | Comfortable for swimming |
| Roman | +20° | Comfortable for swimming |
| Corabia | +21° | Comfortable for swimming |
🎣 Fishing in cities on the Iskr
Water temperature forecast in the Iskr for the week 📅
Sunday
23 August
+20°
Monday
24 August
+20°
Tuesday
25 August
+20°
Wednesday
26 August
+20°
Thursday
27 August
+20°
Friday
28 August
+20°
Saturday
29 August
+19°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Iskr for the week 📈
+19°
minimum for the week
+20°
maximum for the week
↘
falling by +1°
🏊
For the week: the water will warm to +20° — cool but swimmable.
This weekend 🏖️
Saturday, 29 August · water +19° · comfortable for swimming
Sunday, 30 August · water +19° · comfortable for swimming
Water questions for the week ❓
What is the water in the Iskr for the week?
From +19° to +20° by the climate model; trend — falling by +1°.
Will the water warm up by the weekend?
On Saturday about +19°.
Can you swim in the Iskr for the week?
the water will warm to +20° — cool but swimmable.
Water temperature forecast in the Iskr for the week. 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.