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 Glomma +15°.
Water temperature map of the Glomma
ColderWarmer
Water temperature in the Glomma by city for 3 days 📍
+13°
Rerus
+16°
Sarpsborg
+14°
Elverum
+15°
Kongsvinger
+15°
Skarnes
+13°
Tyunset
+15°
Rena
+15°
Voler
+14°
Koppang
+14°
Alvdal
+15°
Fetsunn
+15°
Ornes
| City | for 3 days | Swimming |
|---|---|---|
| Rerus | +13° | Cold water |
| Sarpsborg | +16° | Cool for swimming |
| Elverum | +14° | Cold water |
| Kongsvinger | +15° | Cool for swimming |
| Skarnes | +15° | Cold water |
| Tyunset | +13° | Cold water |
| Rena | +15° | Cold water |
| Voler | +15° | Cool for swimming |
| Koppang | +14° | Cold water |
| Alvdal | +14° | Cold water |
| Fetsunn | +15° | Cold water |
| Ornes | +15° | Cold water |
| Eulifeltet | +16° | Cool for swimming |
| Neskollen | +15° | Cold water |
| Fellfoten | +15° | Cold water |
| Serumsann | +16° | Cool for swimming |
| Ashim | +16° | Cool for swimming |
| Spyudeberg | +16° | Cool for swimming |
| Rerus | +13° | Cold water |
| Fredrikstad | +15° | Cold water |
🎣 Fishing in cities on the Glomma
Water temperature forecast in the Glomma for 3 days 📅
Monday
24 August
+15°
Tuesday
25 August
+15°
Wednesday
26 August
+15°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Glomma for 3 days 📈
+15°
minimum for 3 days
+15°
maximum for 3 days
→
steady
🏊
For 3 days: no warmer than +15° — too cold for swimming.
Water questions for 3 days ❓
What is the water in the Glomma for 3 days?
From +15° to +15° by the climate model; trend — steady.
Will the water warm up by the weekend?
On Saturday about +15°.
Can you swim in the Glomma for 3 days?
no warmer than +15° — too cold for swimming.
Water temperature forecast in the Glomma 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.