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Long term forecast forDrøbak, Frogn (Akershus)

Updated at 11:48. Next update around 18:00.

OBS-forecast warning for Vestfold, Østfold, Oslo og Akershus: Tirsdag ventes store nedbørmengder. Lokalt kan det komme 30-40 mm i løpet av 24 timer. Lokalt kraftige vindkast, utsatte steder nordøstlig opp i 20 m/s. Onsdag ventes også mye nedbør.

Long term forecast
Tuesday1 September12–18 Wednesday2 September12–18 Thursday3 September14–20 Friday4 September14–20 Saturday5 September14–20 Sunday6 September14–20 Monday7 September14–20 Tuesday8 September14–20 Wednesday9 September14–20
Heavy rain Heavy rain and thunder Rain Partly cloudy Partly cloudy Fair Partly cloudy Partly cloudy Partly cloudy
13° 12° 15° 16° 17° 16° 16° 18° 17°
6.7 mm 7.6 mm 2.4 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm
Moderate breeze, 7 m/s from north-northeast Gentle breeze, 5 m/s from east Light air, 2 m/s from east Light air, 1 m/s from north-northeast Light breeze, 3 m/s from south-southwest Light breeze, 4 m/s from northwest Light breeze, 3 m/s from north-northwest Light breeze, 2 m/s from west-southwest Light breeze, 3 m/s from north
  • 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
Tuesday 01/09/2015 00:00–06:00 Cloudy.  For the period: 00:00–06:00 15° 0 mm Light air, 2 m/s from east-northeastLight air, 2 m/s from east-northeast
06:00–12:00 Rain.  For the period: 06:00–12:00 15° 2.9 mm Gentle breeze, 5 m/s from north-northeastGentle breeze, 5 m/s from north-northeast
12:00–18:00 Heavy rain.  For the period: 12:00–18:00 13° 6.7 mm Moderate breeze, 7 m/s from north-northeastModerate breeze, 7 m/s from north-northeast
18:00–00:00 Heavy rain.  For the period: 18:00–00:00 14° 8.7 mm Moderate breeze, 7 m/s from northeastModerate breeze, 7 m/s from northeast
Wednesday 02/09/2015 00:00–06:00 Heavy rain.  For the period: 00:00–06:00 14° 16.2 mm Moderate breeze, 6 m/s from northeastModerate breeze, 6 m/s from northeast
06:00–12:00 Heavy rain.  For the period: 06:00–12:00 12° 6.8 mm Gentle breeze, 5 m/s from northeastGentle breeze, 5 m/s from northeast
12:00–18:00 Heavy rain and thunder.  For the period: 12:00–18:00 12° 7.6 mm Gentle breeze, 5 m/s from eastGentle breeze, 5 m/s from east
18:00–00:00 Heavy rain and thunder.  For the period: 18:00–00:00 15° 6.5 mm Light breeze, 3 m/s from eastLight breeze, 3 m/s from east
Thursday 03/09/2015 02:00–08:00 Rain.  For the period: 02:00–08:00 13° 2.3 mm Light breeze, 3 m/s from eastLight breeze, 3 m/s from east
08:00–14:00 Rain.  For the period: 08:00–14:00 12° 2.1 mm Light breeze, 3 m/s from northeastLight breeze, 3 m/s from northeast
14:00–20:00 Rain.  For the period: 14:00–20:00 15° 2.4 mm Light air, 2 m/s from eastLight air, 2 m/s from east
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 14° 0 mm Light air, 2 m/s from north-northeastLight air, 2 m/s from north-northeast
Friday 04/09/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 13° 0 mm Light air, 2 m/s from northeastLight air, 2 m/s from northeast
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 12° 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 16° 0 mm Light air, 1 m/s from north-northeastLight air, 1 m/s from north-northeast
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 14° 0 mm Light air, 1 m/s from southeastLight air, 1 m/s from southeast
Saturday 05/09/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 14° 0 mm Light air, 2 m/s from south-southwestLight air, 2 m/s from south-southwest
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 12° 0 mm Light air, 1 m/s from south-southwestLight air, 1 m/s from south-southwest
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 17° 0 mm Light breeze, 3 m/s from south-southwestLight breeze, 3 m/s from south-southwest
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 15° 0 mm Light breeze, 2 m/s from south-southwestLight breeze, 2 m/s from south-southwest
Sunday 06/09/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 13° 0 mm Light breeze, 2 m/s from south-southeastLight breeze, 2 m/s from south-southeast
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 11° 0 mm Light breeze, 3 m/s from northLight breeze, 3 m/s from north
14:00–20:00 Fair.  For the period: 14:00–20:00 16° 0 mm Light breeze, 4 m/s from northwestLight breeze, 4 m/s from northwest
20:00–02:00 Clear sky.  For the period: 20:00–02:00 13° 0 mm Light breeze, 2 m/s from northwestLight breeze, 2 m/s from northwest
Monday 07/09/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 11° 0 mm Light breeze, 2 m/s from north-northwestLight breeze, 2 m/s from north-northwest
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 10° 0 mm Light air, 2 m/s from north-northeastLight air, 2 m/s from north-northeast
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 16° 0 mm Light breeze, 3 m/s from north-northwestLight breeze, 3 m/s from north-northwest
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 14° 0 mm Light air, 2 m/s from southLight air, 2 m/s from south
Tuesday 08/09/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 12° 0 mm Light air, 2 m/s from southeastLight air, 2 m/s from southeast
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 12° 0 mm Light air, 2 m/s from west-northwestLight air, 2 m/s from west-northwest
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 18° 0 mm Light breeze, 2 m/s from west-southwestLight breeze, 2 m/s from west-southwest
20:00–02:00 Partly cloudy.  For the period: 20:00–02:00 15° 0 mm Light air, 2 m/s from southwestLight air, 2 m/s from southwest
Wednesday 09/09/2015 02:00–08:00 Partly cloudy.  For the period: 02:00–08:00 14° 0 mm Light air, 2 m/s from southwestLight air, 2 m/s from southwest
08:00–14:00 Partly cloudy.  For the period: 08:00–14:00 12° 0 mm Light air, 1 m/s from northLight air, 1 m/s from north
14:00–20:00 Partly cloudy.  For the period: 14:00–20:00 17° 0 mm Light breeze, 3 m/s from northLight breeze, 3 m/s from north

The meteorologist’s forecast (in Norwegian)

Monday

Østlandet Skiftende bris. Lettskyet oppholdsvær, men i nordlige områder spredte ettermiddagsbyger. Utover dagen tilskyende fra sør.

Tuesday

Østlandet Nordøstlig bris, på kysten opp i stiv kuling. Lokalt kraftige vindkast utover dagen. Regn, først i sør. Lokalt mye nedbør. Nord for Lillehammer trolig oppholdsvær.

Wednesday

Østlandet og Telemark Østlig bris. På kysten varierende vind, trolig perioder med sørlig liten kuling. Regn og regnbyger, lokalt store nedbørmengder.

Thursday

Østafjells Skiftende bris, utover dagen dreiende nordøst. Regn, senere opphold nord for Oslo. Stort sett uendret temperatur.

Friday and Saturday

Østafjells Fredag skiftende bris, på kysten nordøstlig bris. Litt regn sør for Mjøsa først på dagen, ellers opphold. Lørdag nordvestlig bris, opptil kuling på kysten av Agder. Enkelte regnbyger, men også perioder med sol. Litt lavere temperatur.

Sunday to Wednesday

Sør-Norge Overveiende vest og nordvest vind, perioder med kuling på Vestlandet og i Trøndelag. For det meste opphold og perioder med sol Østafjells, ellers perioder med regn. Uendret eller litt stigende temperatur.

Probability forecast for Drøbak

Probability forecast for Drøbak, Frogn (Akershus)
Thursday: Highs probably between 10.9° C and 16.2° C. Lows between 11.2° and 12.9°.	Friday: Highs probably between 14.5° C and 17.8° C. Lows between 11.4° and 12.8°.	Saturday: Highs probably between 12.7° C and 18.5° C. Lows between 11.2° and 12.9°.	Sunday: Highs probably between 10.9° C and 17.5° C. Lows between 9.4° and 12.4°.	Monday: Highs probably between 13.9° C and 17.6° C. Lows between 9.1° and 12.1°.	Tuesday: Highs probably between 14.3° C and 19.4° C. Lows between 9.7° and 13.0°.	Wednesday: Highs probably between 13.5° C and 20.1° C. Lows between 9.3° and 13.3°.	Thursday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 5 mm. Thursday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Thursday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Thursday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Friday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Friday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Friday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.4 mm kan forekomme. Friday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.3 mm kan forekomme. Saturday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.7 mm kan forekomme. Saturday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Saturday 12–18: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Saturday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Sunday 00–06: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Sunday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.6 mm kan forekomme. Sunday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.6 mm kan forekomme. Sunday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.2 mm kan forekomme. Monday 00–06: *Høyst sannsynlig oppholdsvær. Monday 06–12: *Høyst sannsynlig oppholdsvær. Monday 12–18: *Høyst sannsynlig oppholdsvær. Monday 18–24: *Høyst sannsynlig oppholdsvær. Tuesday 00–06: *Høyst sannsynlig oppholdsvær. Tuesday 06–12: *Høyst sannsynlig oppholdsvær. Tuesday 12–18: *Høyst sannsynlig oppholdsvær. Tuesday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.1 mm kan forekomme. Wednesday 00–06: *Høyst sannsynlig oppholdsvær. Wednesday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.1 mm kan forekomme. Wednesday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.4 mm kan forekomme. Wednesday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 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