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The closest observation stations
Hønefoss - Hverven
elevation 126 m, 8.7 km from Slettøya
Temperature atTemperature22.2°Precipitation last 24 hoursPrecipitation 0mmHønefoss - Høyby
elevation 140 m, 11.7 km from Slettøya
Temperature atTemperature23.3°Precipitation last 24 hoursPrecipitation 0mmWind speed at4.4m/sWind gust at8.2m/sE16 Sollihøgda vest
elevation 340 m, 11.5 km from Slettøya
Temperature atTemperature19.3°Precipitation last 24 hoursPrecipitation 0mm
The air around Slettøya
Pollen forecast
Eastern Norway with Oslo
25 June Pollen type Concentration Grass Severe26 June Pollen type Concentration Grass SevereAir pollution forecast
Slettøya
:LowLow or no risk for health effects.
In the atmosphere
UV forecast
Slettøya
1LowSun protection is necessary when the UV index is 3 or higher.
Aurora
Slettøya
Kp index: 2Aurora: No activity28% cloud cover
Sun and moon
Sun
Daylight25° above horizon- Sunrise
- Sunset
- Length of day:
- Difference from yesterday:
- Difference from summer solstice:
- Solar noon at
- Next solar eclipse (partial):
Moon
The moon is 45° under the horizon in northeast
84% illuminated, waning gibbous
- Moonrise in southeast
- Moonset in southwest
- Next full moon:
- Next new moon:
- Next lunar eclipse (partial):
Water temperatures
Sundvollstranda
0.8 km from Slettøya
Temperature18.5°Registered by user,
Steinsbystranda
3.2 km from Slettøya
Temperature20.0°Registered by user,
Steinsfjorden
6.5 km from Slettøya
Temperature19.5°Registered by user,
Røsholmstranda
8.9 km from Slettøya
Temperature19.5°Registered by user,
Støa Tyristrand
11 km from Slettøya
Temperature16.0°Registered by user,
Kobberhaughytta
20.5 km from Slettøya
Temperature19.0°Registered by user,