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 Ar +16°. Swimming season — June and July.
Water temperature map of the Ar
ColderWarmer
Water temperature in the Ar by city tomorrow 📍
+15°
Arbryuk
+15°
Altenar
+16°
Berg (Arvayler)
+16°
Blankenkhaym
+16°
Dernau
+15°
Ikskhaym
+16°
Bad Neuenahr-Ahrweiler
+17°
Bad-Khenningen
+17°
Bad-Brayzig
+16°
Remagen
+16°
Dattenberg
+16°
Kasbakh-Olenberg
| City | tomorrow | Swimming |
|---|---|---|
| Arbryuk | +15° | Cool for swimming |
| Altenar | +15° | Cool for swimming |
| Berg (Arvayler) | +16° | Cool for swimming |
| Blankenkhaym | +16° | Cool for swimming |
| Dernau | +16° | Cool for swimming |
| Ikskhaym | +15° | Cool for swimming |
| Bad Neuenahr-Ahrweiler | +16° | Cool for swimming |
| Bad-Khenningen | +17° | Cool for swimming |
| Bad-Brayzig | +17° | Cool for swimming |
| Remagen | +16° | Cool for swimming |
| Dattenberg | +16° | Cool for swimming |
| Kasbakh-Olenberg | +16° | Cool for swimming |
| Loybsdorf | +16° | Cool for swimming |
| Lints-na-Reyne | +16° | Cool for swimming |
| Okkenfels | +16° | Cool for swimming |
| Erpel | +16° | Cool for swimming |
| Unkel | +16° | Cool for swimming |
| Sinzig | +17° | Cool for swimming |
🎣 Fishing in cities on the Ar
Water temperature forecast in the Ar tomorrow 📅
Tuesday
25 August
+16°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Ar tomorrow 📈
+16°
minimum tomorrow
+16°
maximum tomorrow
→
steady
🏊
Tomorrow: up to +16° — for hardy swimmers.
Water questions tomorrow ❓
What is the water in the Ar tomorrow?
From +16° to +16° by the climate model; trend — steady.
Will the water warm up by the weekend?
On Saturday about +16°.
Can you swim in the Ar tomorrow?
up to +16° — for hardy swimmers.
Water temperature forecast in the Ar tomorrow. 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.