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Long term forecast forPreståsen, Porsgrunn (Telemark)

Updated at 23:21. Next update around 8:00.

Forecast as
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Warning from NVE’s flood forecasting service Telemark: 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

OBS-forecast warning for Telemark, Buskerud og Oppland: Onsdag ventes fortsatt mye nedbør, lokalt opp mot 45 mm.

Long term forecast
Friday24 May Saturday25 May Sunday26 May Monday27 May Tuesday28 May Wednesday29 May Thursday30 May Friday31 May
Partly cloudy Cloudy Rain Partly cloudy Partly cloudy Partly cloudy Rain Cloudy
10° 14° 12° 12° 12° 11° 11° 11°
0 mm precipitation per 24 hours 0 mm precipitation per 24 hours 3.4 mm precipitation per 24 hours 3.6 mm precipitation per 24 hours 4.2 mm precipitation per 24 hours 6 mm precipitation per 24 hours 6 mm precipitation per 24 hours 2.5 mm precipitation per 24 hours
Gentle breeze, 4 m/s from northeast Moderate breeze, 6 m/s from north-northeast Moderate breeze, 7 m/s from east Light breeze, 3 m/s from east Gentle breeze, 5 m/s from southeast Gentle breeze, 4 m/s from south-southwest Moderate breeze, 6 m/s from northeast Moderate breeze, 6 m/s from south-southwest
  • 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 3° 0 mm Light breeze, 2 m/s from northwestLight breeze, 2 m/s from northwest
06:00–12:00 Fair. For the period: 06:00–12:00 1° 0 mm Light breeze, 3 m/s from northwestLight breeze, 3 m/s from northwest
12:00–18:00 Partly cloudy. For the period: 12:00–18:00 10° 0 – 0.1 mm Gentle breeze, 4 m/s from northeastGentle breeze, 4 m/s from northeast
18:00–00:00 Partly cloudy. For the period: 18:00–00:00 14° 0 mm Light breeze, 3 m/s from northeastLight breeze, 3 m/s from northeast
Saturday 25/05/2013 00:00–06:00 Partly cloudy. For the period: 00:00–06:00 9° 0 mm Light breeze, 3 m/s from northLight breeze, 3 m/s from north
08:00–14:00 Cloudy. For the period: 08:00–14:00 12° 0 mm Gentle breeze, 4 m/s from north-northeastGentle breeze, 4 m/s from north-northeast
14:00–20:00 Cloudy. For the period: 14:00–20:00 14° 0 mm Moderate breeze, 6 m/s from north-northeastModerate breeze, 6 m/s from north-northeast
20:00–02:00 Cloudy. For the period: 20:00–02:00 14° 0 mm Gentle breeze, 5 m/s from north-northeastGentle breeze, 5 m/s from north-northeast
Sunday 26/05/2013 02:00–08:00 Cloudy. For the period: 02:00–08:00 12° 0 mm Moderate breeze, 6 m/s from northeastModerate breeze, 6 m/s from northeast
08:00–14:00 Rain. For the period: 08:00–14:00 11° 1.0 mm Moderate breeze, 8 m/s from northeastModerate breeze, 8 m/s from northeast
14:00–20:00 Rain. For the period: 14:00–20:00 12° 1.2 mm Moderate breeze, 7 m/s from eastModerate breeze, 7 m/s from east
20:00–02:00 Rain. For the period: 20:00–02:00 12° 1.2 mm Gentle breeze, 5 m/s from east-northeastGentle breeze, 5 m/s from east-northeast
Monday 27/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 11° 1.2 mm Gentle breeze, 5 m/s from northeastGentle breeze, 5 m/s from northeast
08:00–14:00 Rain. For the period: 08:00–14:00 11° 1.0 mm Moderate breeze, 6 m/s from east-southeastModerate breeze, 6 m/s from east-southeast
14:00–20:00 Partly cloudy. For the period: 14:00–20:00 12° 0.3 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° 1.1 mm Gentle breeze, 5 m/s from east-northeastGentle breeze, 5 m/s from east-northeast
Tuesday 28/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 11° 1.9 mm Gentle breeze, 5 m/s from southeastGentle breeze, 5 m/s from southeast
08:00–14:00 Rain. For the period: 08:00–14:00 11° 1.3 mm Moderate breeze, 6 m/s from southwestModerate breeze, 6 m/s from southwest
14:00–20:00 Partly cloudy. For the period: 14:00–20:00 12° 0.3 mm Gentle breeze, 5 m/s from southeastGentle breeze, 5 m/s from southeast
20:00–02:00 Rain. For the period: 20:00–02:00 11° 0.7 mm Gentle breeze, 5 m/s from south-southwestGentle breeze, 5 m/s from south-southwest
Wednesday 29/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 10° 1.2 mm Gentle breeze, 5 m/s from south-southwestGentle breeze, 5 m/s from south-southwest
08:00–14:00 Rain. For the period: 08:00–14:00 10° 2.2 mm Gentle breeze, 6 m/s from north-northeastGentle breeze, 6 m/s from north-northeast
14:00–20:00 Partly cloudy. For the period: 14:00–20:00 11° 0.9 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
20:00–02:00 Rain. For the period: 20:00–02:00 11° 1.2 mm Gentle breeze, 4 m/s from southGentle breeze, 4 m/s from south
Thursday 30/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 10° 1.5 mm Gentle breeze, 5 m/s from south-southwestGentle breeze, 5 m/s from south-southwest
08:00–14:00 Rain. For the period: 08:00–14:00 10° 1.4 mm Gentle breeze, 5 m/s from southGentle breeze, 5 m/s from south
14:00–20:00 Rain. For the period: 14:00–20:00 11° 1.3 mm Moderate breeze, 6 m/s from northeastModerate breeze, 6 m/s from northeast
20:00–02:00 Rain. For the period: 20:00–02:00 11° 1.8 mm Gentle breeze, 5 m/s from southGentle breeze, 5 m/s from south
Friday 31/05/2013 02:00–08:00 Rain. For the period: 02:00–08:00 10° 1.2 mm Gentle breeze, 6 m/s from south-southwestGentle breeze, 6 m/s from south-southwest
08:00–14:00 Rain. For the period: 08:00–14:00 10° 0.9 mm Moderate breeze, 6 m/s from southModerate breeze, 6 m/s from south
14:00–20:00 Cloudy. For the period: 14:00–20:00 11° 0.3 mm Moderate breeze, 6 m/s from south-southwestModerate breeze, 6 m/s from south-southwest
20:00–02:00 Partly cloudy. For the period: 20:00–02:00 11° 0 mm Gentle breeze, 5 m/s from south-southwestGentle breeze, 5 m/s from south-southwest
Saturday 01/06/2013 02:00–08:00 Partly cloudy. For the period: 02:00–08:00 10° 0 mm Gentle breeze, 4 m/s from southwestGentle breeze, 4 m/s from southwest

The meteorologist’s forecast (in Norwegian)

Wednesday and Thursday

Telemark Nordlig frisk bris utsatte steder, i natt dreiende sørøstlig. Regn og regnbyger, lokal tåke. Utpå torsdag ettermiddag skiftende bris. Etter hvert oppholdsvær og lettere skydekke, først i sør.

Friday

Telemark og Agder Skiftende bris. Enkelte regnbyger, vesentlig i indre strøk. Perioder med 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 Preståsen

Probability forecast for Preståsen, Porsgrunn (Telemark)
Sunday: Highs probably between 10.9° C and 14.4° C. Lows between 10.9° and 12.0°. Monday: Highs probably between 10.5° C and 12.9° C. Lows between 10.1° and 11.5°. Tuesday: Highs probably between 10.7° C and 12.7° C. Lows between 9.8° and 11.4°. Wednesday: Highs probably between 10.1° C and 12.9° C. Lows between 8.9° and 11.0°. Thursday: Highs probably between 10.1° C and 13.1° C. Lows between 8.2° and 11.4°. Friday: Highs probably between 10.1° C and 13.9° C. Lows between 8.4° and 12.0°. Saturday: Highs probably between 8.9° C and 12.4° C. Lows between 8.8° and 12.5°. Sunday 00–06: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 4 mm. Sunday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Sunday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Sunday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Monday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Monday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 2 mm. Monday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 1 mm. Monday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Tuesday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 6 mm. Tuesday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Tuesday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Tuesday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Wednesday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Wednesday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 5 mm. Wednesday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 2 mm. Wednesday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 6 mm. Thursday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Thursday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 5 mm. Thursday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Thursday 18–24: *Sannsynligvis nedbør, men trolig mindre enn 6 mm. Friday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Friday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Friday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 2 mm. Friday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 4 mm. Saturday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 3 mm. Saturday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 3 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