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

Grey Sky Settles Over the Town

Cloud lies thick and low. The light is dim and the air is still.

Warmest Saturday at 33° · coldest night Tuesday at 16°

The short of it: Arco-Íris weather on Sunday, 8 November 2026: local time, 23 °C (73 °F) with an overcast sky, feeling like 26 °C (79 °F). Today’s high 25 °C (76 °F), low 20 °C (67 °F). Chance of rain 45% in the next 24 hours, about 0.6 mm (0.02 in). No warnings in force. Source: Open-Meteo forecast models, updated 08:30 local time.

ARCO-ÍRIS, Sunday. — Those stepping out in Arco-Íris this morning will find passing showers; the afternoon should top out near 25°, the night near 20°. A raw day by local measure — 6° below the November average of 30°. Barely a breath of wind stirs from the SW, gusting to 6 km/h, and the glass holds steady.

Of the 7 days ahead, Saturday looks the finest at near 33°, while Tuesday night will be the coldest at 16°. Rain or snow is due on 3 of them, some 5.1 mm in all. No frost is in sight.

For travellers weighing a journey, the Almanac shows a typical November in Arco-Íris brings highs near 30°, lows of 19° and about 117 mm of rain over the month. December is the warmest month here at 31°, July the coldest at 11°, and January the wettest with 259 mm. The best months to ride in are June and July.

The sun is up 13 h 3 min today, and the days are lengthening by about 1 minutes each. The station stands 412 m above the sea.

The Hours to Come

Temperature by the hour · rain & snow in the hour beneath
The hour-by-hour ledger
HourSkyTempFeelsWindRain
NowOvercast22°26°3 km/h–
9 AMOvercast23°27°4 km/h–
10 AMOvercast24°27°4 km/h–
11 AMOvercast24°28°4 km/h–
12 PMOvercast24°28°4 km/h–
1 PMOvercast25°28°5 km/h–
2 PMOvercast25°28°7 km/h–
3 PMLight showers24°26°9 km/h0.4 mm
4 PMOvercast22°22°13 km/h0.2 mm
5 PMOvercast21°22°11 km/h–
6 PMOvercast21°22°10 km/h–
7 PMOvercast21°21°11 km/h–
8 PMOvercast21°20°12 km/h–
9 PMOvercast20°20°11 km/h–
10 PMOvercast20°19°12 km/h–
11 PMOvercast20°19°12 km/h–
12 AMPartly cloudy19°18°12 km/h–
1 AMPartly cloudy19°18°10 km/h–
2 AMPartly cloudy18°18°10 km/h–
3 AMPartly cloudy18°17°9 km/h–
4 AMPartly cloudy18°17°9 km/h–
5 AMOvercast18°17°8 km/h–
6 AMOvercast17°17°8 km/h–
7 AMOvercast18°17°9 km/h–

Seven-Day Outlook · Classified

Highs in large type · pick a day

Today (Nov 8): light showers, high 25°, low 20°, 0.6 mm of rain, gusts to 26 km/h. Sun up 5:34 AM, down 6:37 PM. Short showers cross the fields. The sun returns soon after.

The Almanac · Arco-Íris Month by Month

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

November in Arco-Íris, by the numbers

Warmth rank
4th warmest of 12
Rain rank
6th wettest of 12
Versus October
1° warmer, 2.0 mm less rain
Versus December
1° colder
Day–night spread
12°
Snow season
seldom any
Daylight, mid-month
13 h 11 min
Average wind
10 km/h
Travel with care
The Almanac Speaks
November
✦✦✦✦✦

Days run hot, near 30° in the afternoon; ride early and rest at noon. Wet spells are common — about 117 mm, the 6th wettest month.

Arco-Íris in November: the full almanac →

Climate of Arco-Íris by month
MonthHighLowRainWindDaylightVisit
January31°20°259 mm9 km/h13 h 19 min✦✦
February30°20°222 mm8 km/h12 h 51 min✦✦
March30°19°121 mm8 km/h12 h 16 min✦✦
April29°16°54 mm8 km/h11 h 37 min✦✦✦✦
May25°13°56 mm8 km/h11 h 5 min✦✦✦✦
June25°12°39 mm8 km/h10 h 49 min✦✦✦✦✦
July26°11°24 mm9 km/h10 h 55 min✦✦✦✦✦
August27°13°20 mm10 km/h11 h 22 min✦✦✦✦✦
September29°16°39 mm10 km/h12 h 0 min✦✦✦✦
October30°17°119 mm10 km/h12 h 38 min✦✦
November30°19°117 mm10 km/h13 h 11 min✦✦
December31°19°152 mm9 km/h13 h 27 min✦✦

Reports from the Street

What readers in Arco-Íris see right now · last 3 hours

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Questions Readers Ask about Arco-Íris

Answered from the wire & the Almanac

What is the weather in Arco-Íris today?

Right now it is 23 °C (73 °F) with an overcast sky; it feels like 26 °C (79 °F). Today’s high is 25 °C (76 °F) and tonight’s low 20 °C (67 °F). The chance of rain in the next 24 hours is about 45%, with 0.6 mm (0.02 in) expected.

Will it rain in Arco-Íris this week?

Yes — rain or snow is forecast on 3 of the next 7 days, about 5.1 mm (0.20 in) in total. The wettest day looks to be Thursday.

Are there any weather warnings for Arco-Íris?

No — no warnings or notices are in force for Arco-Íris at present.

What is the warmest month in Arco-Íris?

December, with an average high of 31 °C (87 °F). The coldest is July, when nights average 11 °C (52 °F). The wettest month is January (259 mm (10.2 in)), according to TerraClimate climate normals for 1991–2020.

When is the best time to visit Arco-Íris?

June and July. June brings highs near 25 °C (77 °F) and about 39 mm (1.5 in) of rain; July highs near 26 °C (78 °F) and 24 mm (0.94 in). The Almanac rates every month from 1 to 5 for warmth, dryness and rainfall, using 1991–2020 climate normals.

Does it snow in Arco-Íris?

Hardly ever — even the coldest month averages 11 °C (52 °F) at night, so lasting snow is rare.

Neighbouring Towns

November averages · distance by the crow’s flight
TownDistanceHighLowRain
Santópolis do AguapeíSão Paulo15 km NNW30°19°118 mm
LuiziâniaSão Paulo18 km NE30°19°110 mm
TupãSão Paulo19 km SSW30°18°127 mm
QueirozSão Paulo23 km E30°18°103 mm
ClementinaSão Paulo24 km N30°19°118 mm
PiacatuSão Paulo24 km NW30°19°121 mm
IacriSão Paulo25 km WSW30°18°128 mm
HerculândiaSão Paulo27 km SSE30°18°118 mm

More Towns in Brazil

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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