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 Arakava +22°. Swimming season — from April to October.
Water temperature map of the Arakava
ColderWarmer
Water temperature in the Arakava by city tomorrow 📍
| City | tomorrow | Swimming |
|---|---|---|
| Kawaguchi | +22° | Comfortable for swimming |
| Omiya | +22° | Comfortable for swimming |
| Urava | +22° | Comfortable for swimming |
🎣 Fishing in cities on the Arakava
Water temperature forecast in the Arakava tomorrow 📅
Tuesday
18 August
+22°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Arakava tomorrow 📈
+22°
minimum tomorrow
+22°
maximum tomorrow
→
steady
🏊
Tomorrow: the water will warm to +22° — great for swimming.
Water questions tomorrow ❓
What is the water in the Arakava tomorrow?
From +22° to +22° by the climate model; trend — steady.
Will the water warm up by the weekend?
On Saturday about +22°.
Can you swim in the Arakava tomorrow?
the water will warm to +22° — great for swimming.
Water temperature forecast in the Arakava 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.