The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Osny Weather Today · 7-Day Forecast

Clouds Gather on the Horizon

Changeable skies expected — a day for both sun hat and coat.

Warmest Tuesday at 15° · coldest night tonight at 4°

The short of it: Osny weather on Sunday, 8 November 2026: local time, 10 °C (49 °F) with partly cloudy skies, feeling like 8 °C (46 °F). Today’s high 11 °C (51 °F), low 4 °C (39 °F). No rain expected in the next 24 hours. Notices: glass falling. Source: Wanted Weather forecast service (global weather models), updated 13:00 local time.

OSNY, Sunday. — Those stepping out in Osny this morning will find fog; the afternoon should top out near 11°, the night near 4°. Old hands will call it a proper November day: the thirty-year average for Osny is 11°. Barely a breath of wind stirs from the ESE, gusting to 8 km/h, and the glass holds steady.

Of the 3 days ahead, Tuesday looks the finest at near 15°, while tonight will be the coldest at 4°. Rain or snow is due on 1 of them, some 9.6 mm in all. No frost is in sight.

By the Almanac's reckoning, November in Osny runs from 5° at night to 11° by day, with some 57 mm of rain. August is the warmest month here at 25°, January the coldest at 2°, and December the wettest with 70 mm. The best months to ride in are September and April.

The sun is up 9 h 29 min today, and the days are shortening by about 3 minutes each. The station stands 105 m above the sea.

The Hours to Come

Temperature by the hour · rain & snow in the hour beneath
The hour-by-hour ledger
HourSkyTempFeelsWindRain
NowPartly cloudy10°8°4 km/h–
2 PMMostly clear10°8°5 km/h–
3 PMMostly clear11°8°5 km/h–
4 PMMostly clear10°8°5 km/h–
5 PMMostly clear9°7°4 km/h–
6 PMMostly clear7°5°3 km/h–
7 PMMostly clear6°4°3 km/h–
8 PMOvercast5°3°4 km/h–
9 PMOvercast4°2°4 km/h–
10 PMOvercast4°2°4 km/h–
11 PMOvercast4°1°4 km/h–
12 AMOvercast4°2°4 km/h–
1 AMOvercast4°2°5 km/h–
2 AMOvercast5°2°5 km/h–
3 AMOvercast5°2°6 km/h–
4 AMOvercast5°3°6 km/h–
5 AMOvercast5°3°6 km/h–
6 AMOvercast5°2°6 km/h–
7 AMOvercast5°2°7 km/h–
8 AMOvercast5°2°7 km/h–
9 AMOvercast6°3°8 km/h–
10 AMOvercast6°3°9 km/h–
11 AMOvercast7°4°9 km/h–
12 PMOvercast8°4°10 km/h–

Seven-Day Outlook · Classified

Highs in large type · pick a day

Today (Nov 8): fog, high 11°, low 4°, dry, gusts to 8 km/h. Sun up 7:50 AM, down 5:19 PM. Sight is poor. Travellers urged to go slow and light their lanterns.

The Week in Figures

DayLow · HighRainGustsDaylight
Today4°11°dry8 km/h9 h 29 min
Monday4°9°0.3 mm13 km/h9 h 27 min
Tuesday9°15°9.3 mm15 km/h9 h 23 min

Warmest: Tuesday at 15°. Wettest: Tuesday, 9.3 mm. Strongest gusts: Tuesday, 15 km/h.

The Almanac · Osny Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low

November in Osny, by the numbers

Warmth rank
9th warmest of 12
Rain rank
3rd wettest of 12
Versus October
5° colder, 8.0 mm less rain
Versus December
3° warmer
Day–night spread
6°
Snow season
seldom any
Daylight, mid-month
9 h 3 min
Average wind
14 km/h
Fair
The Almanac Speaks
November
✦✦✦✦✦

The year turns hard here: highs drop 5° from October to about 11°, with nights near 5°. Rain is modest, about 57 mm, the 3rd wettest month.

Osny in November: the full almanac →

Climate of Osny by month
MonthHighLowRainWindDaylightVisit
January7°2°52 mm15 km/h8 h 39 min✦✦
February9°2°44 mm15 km/h10 h 4 min✦✦✦
March13°4°43 mm16 km/h11 h 44 min✦✦✦✦
April16°6°45 mm15 km/h13 h 39 min✦✦✦✦✦
May20°9°55 mm14 km/h15 h 16 min✦✦✦✦
June23°12°49 mm14 km/h16 h 11 min✦✦✦✦
July25°14°53 mm13 km/h15 h 49 min✦✦✦✦
August25°14°52 mm12 km/h14 h 22 min✦✦✦✦
September21°11°43 mm12 km/h12 h 31 min✦✦✦✦✦
October16°9°65 mm13 km/h10 h 41 min✦✦✦✦
November11°5°57 mm14 km/h9 h 3 min✦✦✦
December8°3°70 mm16 km/h8 h 14 min✦✦

Reports from the Street

What readers in Osny see right now · last 3 hours

Loading the latest reports…

Questions Readers Ask about Osny

Answered from the wire & the Almanac

What is the weather in Osny today?

Right now it is 10 °C (49 °F) with partly cloudy skies; it feels like 8 °C (46 °F). Today’s high is 11 °C (51 °F) and tonight’s low 4 °C (39 °F). No rain is expected in the next 24 hours.

Will it rain in Osny this week?

Yes — rain or snow is forecast on 1 of the next 3 days, about 9.6 mm (0.38 in) in total. The wettest day looks to be Tuesday.

Are there any weather warnings for Osny?

No warnings, but one notice is on the wire: glass falling.

What is the warmest month in Osny?

August, with an average high of 25 °C (78 °F). The coldest is January, when nights average 2 °C (36 °F). The wettest month is December, with 70 mm (2.8 in), according to TerraClimate climate normals for 1991–2020.

When is the best time to visit Osny?

September and April. September brings highs near 21 °C (70 °F) and about 43 mm (1.7 in) of rain; April highs near 16 °C (61 °F) and 45 mm (1.8 in). The Almanac rates every month from 1 to 5 for warmth, dryness and rainfall, using 1991–2020 climate normals.

Does it snow in Osny?

Hardly ever — even the coldest month averages 2 °C (36 °F) at night, so lasting snow is rare.

Neighbouring Towns

November averages · distance by the crow’s flight
TownDistanceHighLowRain
Cergy-PontoiseÎle-de-France4 km SSE11°5°55 mm
CergyÎle-de-France4 km SSE11°5°55 mm
SartrouvilleÎle-de-France16 km SE11°6°54 mm
ArgenteuilÎle-de-France19 km SE11°6°54 mm
ColombesÎle-de-France22 km SE11°6°54 mm
NanterreÎle-de-France22 km SSE11°6°53 mm
Rueil-MalmaisonÎle-de-France23 km SSE11°6°53 mm
Asnières-sur-SeineÎle-de-France23 km SE11°6°54 mm

More Towns in France

All towns in France →

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor