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Long term forecast forOslo

Updated at 4:32. Next update around 6:00.

OBS-forecast warning for Østafjells: Mye nedbør ventes tirsdag, særlig tirsdag ettermiddag og kveld, stedvis 40 til 50 mm. Mest nedbør i Telemark, Buskerud, Vestfold og Oppland. Fare for lokale oversvømmelser, små jordskred og/eller flomskred.

Long term forecast
Wednesday5 August12–18 Thursday6 August12–18 Friday7 August14–20 Saturday8 August14–20 Sunday9 August14–20 Monday10 August14–20 Tuesday11 August14–20 Wednesday12 August14–20
Cloudy Partly cloudy Rain showers Partly cloudy Cloudy Partly cloudy Partly cloudy Partly cloudy
20° 20° 20° 20° 20° 20° 20° 21°
0 mm 0 mm 1.6 mm 0 mm 0 mm 0 mm 0 mm 0 mm
Light breeze, 3 m/s from south Light air, 1 m/s from southwest Gentle breeze, 4 m/s from south-southwest Light breeze, 3 m/s from southwest Light breeze, 3 m/s from east-southeast Gentle breeze, 5 m/s from west-southwest Light breeze, 3 m/s from east-northeast Light breeze, 2 m/s from south
  • Rather certain
  • Somewhat uncertain
  • Uncertain

Read more about the color codes and how certain the forecasts are

Detailed long term forecast
Date Time Forecast Temp. Precipitation Wind
Wednesday 05/08/2015 00:00–06:00 Heavy rain and thunder.  For the period: 00:00–06:00 17° 11.1 mm Light breeze, 2 m/s from east-southeastLight breeze, 2 m/s from east-southeast
06:00–12:00 Cloudy.  For the period: 06:00–12:00 15° 0 mm Light breeze, 3 m/s from south-southeastLight breeze, 3 m/s from south-southeast
12:00–18:00 Cloudy.  For the period: 12:00–18:00 20° 0 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
18:00–00:00 Cloudy.  For the period: 18:00–00:00 18° 0 mm Gentle breeze, 5 m/s from southGentle breeze, 5 m/s from south
Thursday 06/08/2015 00:00–06:00 Partly cloudy.  For the period: 00:00–06:00 14° 0 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
06:00–12:00 Cloudy.  For the period: 06:00–12:00 13° 0 mm Light breeze, 2 m/s from south-southwestLight breeze, 2 m/s from south-southwest
12:00–18:00 Partly cloudy.  For the period: 12:00–18:00 20° 0 mm Light air, 1 m/s from southwestLight air, 1 m/s from southwest
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 18° 0 mm Light breeze, 3 m/s from south-southwestLight breeze, 3 m/s from south-southwest
Friday 07/08/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 15° 0 mm Light air, 1 m/s from southeastLight air, 1 m/s from southeast
08:00–14:00 Rain showers.  For the period: 08:00–14:00 15° 1.8 mm Light air, 1 m/s from eastLight air, 1 m/s from east
14:00–20:00 Rain showers.  For the period: 14:00–20:00 20° 1.6 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 18° 0 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
Saturday 08/08/2015 02:00–08:00 Cloudy.  For the period: 02:00–08:00 16° 0 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 16° 0 mm Light breeze, 2 m/s from southwestLight breeze, 2 m/s from southwest
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 20° 0 mm Light breeze, 3 m/s from southwestLight breeze, 3 m/s from southwest
20:00–02:00 Clear sky.  For the period: 20:00–02:00 19° 0 mm Light breeze, 2 m/s from southLight breeze, 2 m/s from south
Sunday 09/08/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 16° 0 mm Light air, 2 m/s from westLight air, 2 m/s from west
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 15° 0 mm Light air, 1 m/s from southwestLight air, 1 m/s from southwest
14:00–20:00 Cloudy.  For the period: 14:00–20:00 20° 0 mm Light breeze, 3 m/s from east-southeastLight breeze, 3 m/s from east-southeast
20:00–02:00 Cloudy.  For the period: 20:00–02:00 19° 0 mm Light breeze, 4 m/s from southLight breeze, 4 m/s from south
Monday 10/08/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 15° 0 mm Light breeze, 3 m/s from south-southwestLight breeze, 3 m/s from south-southwest
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 15° 0 mm Light breeze, 3 m/s from south-southwestLight breeze, 3 m/s from south-southwest
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 20° 0 mm Gentle breeze, 5 m/s from west-southwestGentle breeze, 5 m/s from west-southwest
20:00–02:00 Clear sky.  For the period: 20:00–02:00 19° 0 mm Light breeze, 4 m/s from south-southwestLight breeze, 4 m/s from south-southwest
Tuesday 11/08/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 16° 0 mm Light breeze, 2 m/s from southLight breeze, 2 m/s from south
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 15° 0 mm Light air, 2 m/s from west-southwestLight air, 2 m/s from west-southwest
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 20° 0 mm Light breeze, 3 m/s from east-northeastLight breeze, 3 m/s from east-northeast
20:00–02:00 Clear sky.  For the period: 20:00–02:00 19° 0 mm Light breeze, 2 m/s from southLight breeze, 2 m/s from south
Wednesday 12/08/2015 02:00–08:00 Clear sky.  For the period: 02:00–08:00 15° 0 mm Light air, 2 m/s from northwestLight air, 2 m/s from northwest
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 15° 0 mm Light air, 2 m/s from northeastLight air, 2 m/s from northeast
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 21° 0 mm Light breeze, 2 m/s from southLight breeze, 2 m/s from south
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 19° 0 mm Light breeze, 2 m/s from southLight breeze, 2 m/s from south
Thursday 13/08/2015 02:00–08:00 Cloudy.  For the period: 02:00–08:00 16° 0 mm Light air, 2 m/s from south-southeastLight air, 2 m/s from south-southeast

The meteorologist’s forecast (in Norwegian)

Tuesday

Østlandet Skiftende bris, frisk bris på kysten. Oppholdsvær. Fra om formiddagen regn og regnbyger, om kvelden økende nedbørintensitet. Lokalt mye nedbør vest for Oslo. Utrygt for torden i sør.

Wednesday

Østlandet Sørlig bris. Først på dagen regn, etterhvert oppholdsvær og lettere skydekke, først i sørvest.

Thursday

Østlandet Sørlig bris. Stort sett opphold, gløtt av sol. Fra om kvelden regnbyger. Uendret eller litt lavere temperatur.

Friday and Saturday

Sør-Norge For det meste sørvestlig bris, perioder med kuling utsatte steder. Regn av og til, men også perioder med sol. Størst nedbøraktivitet på Vestlandet og i Trøndelag. Omtrent uendrede temperaturforhold.

Sunday to Wednesday

Norge I hele landet vil lavtrykksaktivitet gi vekslende værforhold. Det kan bli perioder med pent vær, men også kortvarig kuling og nedbøraktivitet både i nord og sør. Ingen store temperaturendringer.

Probability forecast for Oslo

Probability forecast for Oslo
Friday: Highs probably between 17.8° C and 21.3° C. Lows between 13.9° and 15.8°.	Saturday: Highs probably between 18.7° C and 20.9° C. Lows between 14.2° and 16.6°.	Sunday: Highs probably between 17.6° C and 21.1° C. Lows between 14.1° and 15.7°.	Monday: Highs probably between 16.5° C and 21.7° C. Lows between 14.2° and 15.6°.	Tuesday: Highs probably between 17.9° C and 22.0° C. Lows between 13.4° and 16.1°.	Wednesday: Highs probably between 18.3° C and 23.0° C. Lows between 13.1° and 16.8°.	Thursday: Highs probably between 13.9° C and 19.2° C. Lows between 13.7° and 18.2°.	Friday 00–06: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 1 mm. Friday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Friday 12–18: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 3 mm. Friday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Saturday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Saturday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Saturday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.6 mm kan forekomme. Saturday 18–24: *Høyst sannsynlig oppholdsvær. Sunday 00–06: *Høyst sannsynlig oppholdsvær. Sunday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.1 mm kan forekomme. Sunday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.2 mm kan forekomme. Sunday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.8 mm kan forekomme. Monday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.7 mm kan forekomme. Monday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.3 mm kan forekomme. Monday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Monday 18–24: *Høyst sannsynlig oppholdsvær. Tuesday 00–06: *Høyst sannsynlig oppholdsvær. Tuesday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Tuesday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.3 mm kan forekomme. Tuesday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Wednesday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.3 mm kan forekomme. Wednesday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.4 mm kan forekomme. Wednesday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Wednesday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.4 mm kan forekomme. Thursday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.2 mm kan forekomme. Thursday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.7 mm kan forekomme.
Precipitation:
50% probability
30% probability
Temperature:
50% probability
30% probability

Long time forecast is quite reliable for temperature when the grey area has a narrow spread. Likewise it is quite reliable for precipitation when the blue bars are short.

The long time forecast is uncertain when the gray area has greater spread, and the blue bars are long.

Read more about the probability forecast