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Long term forecast forGrønlundfjellet, Gjerdrum (Akershus)

Updated at 11:22. Next update around 20:00.

Forecast as
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Warning from NVE’s flood forecasting service Akershus: Oppfølging av flomvarsel sendt 21. mai 2013. Det er stor vannføring i mange vassdrag i Sør-Norge. Regn og regnbyger i Sør-Norge i det kommende døgn vil føre til fortsatt vannføringsøkning og lokale oversvømmelser. Det ventes økte vannstander i en rekke av de større innsjøene i lavlandet på Østlandet de neste dagene. Read more

Long term forecast
Friday24 May Saturday25 May Sunday26 May Monday27 May Tuesday28 May Wednesday29 May Thursday30 May Friday31 May Saturday01 June
Fair Fair Cloudy Rain Rain Rain Rain Rain Partly cloudy
12° 18° 17° 14° 13° 13° 13° 13° 15°
0 mm precipitation per 24 hours 0 mm precipitation per 24 hours 0.7 mm precipitation per 24 hours 3.9 mm precipitation per 24 hours 8 mm precipitation per 24 hours 6 mm precipitation per 24 hours 8 mm precipitation per 24 hours 3.4 mm precipitation per 24 hours 1.3 mm precipitation per 24 hours
Light breeze, 3 m/s from north-northeast Gentle breeze, 5 m/s from north-northeast Gentle breeze, 4 m/s from east-northeast Light breeze, 3 m/s from south Gentle breeze, 4 m/s from east-northeast Gentle breeze, 4 m/s from south Light breeze, 3 m/s from east Light breeze, 3 m/s from south Light breeze, 4 m/s from east-northeast
  • 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
Friday 24/05/2013 00:00–06:00 Fair. For the period: 00:00–06:00 7° 0 mm Light air, 1 m/s from north-northwestLight air, 1 m/s from north-northwest
06:00–12:00 Cloudy. For the period: 06:00–12:00 6° 0 mm Light breeze, 2 m/s from northwestLight breeze, 2 m/s from northwest
12:00–18:00 Fair. For the period: 12:00–18:00 12° 0 – 0.1 mm Light breeze, 3 m/s from north-northeastLight breeze, 3 m/s from north-northeast
18:00–00:00 Fair. For the period: 18:00–00:00 17° 0 mm Light breeze, 2 m/s from north-northeastLight breeze, 2 m/s from north-northeast
Saturday 25/05/2013 00:00–06:00 Partly cloudy. For the period: 00:00–06:00 10° 0 mm Light breeze, 2 m/s from north-northwestLight breeze, 2 m/s from north-northwest
06:00–12:00 Fair. For the period: 06:00–12:00 9° 0 mm Light breeze, 3 m/s from northLight breeze, 3 m/s from north
12:00–18:00 Fair. For the period: 12:00–18:00 18° 0 mm Gentle breeze, 5 m/s from north-northeastGentle breeze, 5 m/s from north-northeast
20:00–02:00 Cloudy. For the period: 20:00–02:00 18° 0 mm Gentle breeze, 4 m/s from northeastGentle breeze, 4 m/s from northeast
Sunday 26/05/2013 02:00–08:00 Cloudy. For the period: 02:00–08:00 12° 0 mm Light breeze, 2 m/s from northeastLight breeze, 2 m/s from northeast
08:00–14:00 Partly cloudy. For the period: 08:00–14:00 13° 0 mm Light breeze, 4 m/s from north-northeastLight breeze, 4 m/s from north-northeast
14:00–20:00 Cloudy. For the period: 14:00–20:00 17° 0 mm Gentle breeze, 4 m/s from east-northeastGentle breeze, 4 m/s from east-northeast
20:00–02:00 Rain. For the period: 20:00–02:00 14° 0.7 mm Light breeze, 3 m/s from east-northeastLight breeze, 3 m/s from east-northeast
Monday 27/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 12° 0.9 mm Light air, 2 m/s from north-northeastLight air, 2 m/s from north-northeast
08:00–14:00 Rain. For the period: 08:00–14:00 12° 1.0 mm Light breeze, 3 m/s from east-northeastLight breeze, 3 m/s from east-northeast
14:00–20:00 Rain. For the period: 14:00–20:00 14° 0.8 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
20:00–02:00 Rain. For the period: 20:00–02:00 13° 1.2 mm Light breeze, 3 m/s from east-northeastLight breeze, 3 m/s from east-northeast
Tuesday 28/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 11° 1.6 mm Light breeze, 2 m/s from southeastLight breeze, 2 m/s from southeast
08:00–14:00 Rain. For the period: 08:00–14:00 11° 2.2 mm Gentle breeze, 4 m/s from east-northeastGentle breeze, 4 m/s from east-northeast
14:00–20:00 Rain. For the period: 14:00–20:00 13° 2.4 mm Gentle breeze, 4 m/s from east-northeastGentle breeze, 4 m/s from east-northeast
20:00–02:00 Rain. For the period: 20:00–02:00 13° 1.5 mm Light breeze, 3 m/s from northeastLight breeze, 3 m/s from northeast
Wednesday 29/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 10° 1.7 mm Light breeze, 3 m/s from east-northeastLight breeze, 3 m/s from east-northeast
08:00–14:00 Rain. For the period: 08:00–14:00 11° 1.7 mm Gentle breeze, 4 m/s from east-northeastGentle breeze, 4 m/s from east-northeast
14:00–20:00 Rain. For the period: 14:00–20:00 13° 1.8 mm Gentle breeze, 4 m/s from southGentle breeze, 4 m/s from south
20:00–02:00 Partly cloudy. For the period: 20:00–02:00 12° 0.6 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
Thursday 30/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 9° 0.6 mm Light air, 2 m/s from north-northeastLight air, 2 m/s from north-northeast
08:00–14:00 Rain. For the period: 08:00–14:00 11° 1.8 mm Light breeze, 3 m/s from southeastLight breeze, 3 m/s from southeast
14:00–20:00 Rain. For the period: 14:00–20:00 13° 3.3 mm Light breeze, 3 m/s from eastLight breeze, 3 m/s from east
20:00–02:00 Rain. For the period: 20:00–02:00 12° 2.2 mm Light breeze, 3 m/s from east-southeastLight breeze, 3 m/s from east-southeast
Friday 31/05/2013 02:00–08:00 Partly cloudy. For the period: 02:00–08:00 9° 0.5 mm Light air, 2 m/s from southLight air, 2 m/s from south
08:00–14:00 Rain. For the period: 08:00–14:00 11° 0.6 mm Light breeze, 3 m/s from westLight breeze, 3 m/s from west
14:00–20:00 Rain. For the period: 14:00–20:00 13° 1.6 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
20:00–02:00 Partly cloudy. For the period: 20:00–02:00 13° 0.7 mm Light breeze, 2 m/s from southLight breeze, 2 m/s from south
Saturday 01/06/2013 02:00–08:00 Cloudy. For the period: 02:00–08:00 10° 0 mm Light air, 2 m/s from southLight air, 2 m/s from south
08:00–14:00 Rain. For the period: 08:00–14:00 11° 0.9 mm Light breeze, 3 m/s from southeastLight breeze, 3 m/s from southeast
14:00–20:00 Partly cloudy. For the period: 14:00–20:00 15° 0.4 mm Light breeze, 4 m/s from east-northeastLight breeze, 4 m/s from east-northeast

The meteorologist’s forecast (in Norwegian)

Thursday

Østlandet Østlig bris. Enkelte regnbyger. Utpå dagen forbigående økende nedbøraktivitet, men lite nedbør lengst i nord. Fra sent i ettermiddag skiftende bris og lettere vær, først i sør.

Friday

Østlandet Skiftende bris. Enkelte regnbyger, men også noe sol. Oppklarning om kvelden.

Saturday

Østafjells og fjellet i Sør-Norge Nordøstlig bris. Stort sett opphold og til dels pent vær. Litt varmere.

Sunday and Monday

Østafjells og fjellet i Sør-Norge Søndag nordøstlig bris, frisk bris på kysten. Etter hvert regn, først i sør. Mandag skiftende bris. Enkelte regnbyger. Litt lavere temperatur.

Tuesday to Friday

Norge og Spitsbergen Det ventes en ustabil og skiftende værtype i hele landet. Periodevis regn eller regnbyger, men også noe sol. For det meste rolige vindforhold, men først i perioden kan hende nordøstlig kuling på kysten lengst i nord.På Spitsbergen ventes for det meste rolige vindforhold. Lite eller ingen nedbør. Litt stigende temperatur.

Probability forecast for Grønlundfjellet

Probability forecast for Grønlundfjellet, Gjerdrum (Akershus)
Sunday: Highs probably between 14.2° C and 17.8° C. Lows between 10.6° and 12.2°. Monday: Highs probably between 12.6° C and 15.7° C. Lows between 10.2° and 12.3°. Tuesday: Highs probably between 11.7° C and 16.6° C. Lows between 8.3° and 11.7°. Wednesday: Highs probably between 11.6° C and 15.6° C. Lows between 8.4° and 12.3°. Thursday: Highs probably between 11.1° C and 17.2° C. Lows between 5.9° and 11.6°. Friday: Highs probably between 12.3° C and 17.6° C. Lows between 6.3° and 12.5°. Saturday: Highs probably between 11.7° C and 18.4° C. Lows between 6.2° and 12.5°. Sunday 00–06: *Høyst sannsynlig oppholdsvær. Sunday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 2 mm kan forekomme. Sunday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 2 mm. Sunday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 2 mm. Monday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 2 mm. Monday 06–12: *Høyst sannsynlig nedbør mellom 0.1 mm og 3 mm. Monday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Monday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Tuesday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Tuesday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 8 mm. Tuesday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 7 mm. Tuesday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Wednesday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Wednesday 06–12: *Høyst sannsynlig nedbør mellom 0.2 mm og 5 mm. Wednesday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 6 mm. Wednesday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 1 mm. Thursday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Thursday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 6 mm. Thursday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 6 mm. Thursday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Friday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Friday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Friday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Friday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 4 mm. Saturday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 1 mm. Saturday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 5 mm. Saturday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 6 mm. Saturday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 4 mm.
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