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Teresina weather

Piauí · 871,126 inhabitants · Thursday, October 29 · updated 13:56

Air: Moderate Heatwave risk · 14 d

29°

Clear sky

Feels like 39°C

Wind

5 km/h

Gusts

13 km/h

Humidity

71 %

Pressure

1015 hPa

Clouds

11 %

Storm

Rise 05:26 Set 17:43 Day 12 h 16 min UV 11 · Very high

Morning, afternoon, evening

Trend

Afternoon

Clear sky

39°36°

Feels like 44°

Wind ↑ ESE 5 km/h

Gusts 14 km/h

Humidity 26 %

Evening

Overcast

34°29°

Feels like 36°

Wind ↑ NNW 7 km/h

Gusts 37 km/h

Humidity 24 %

15:00

36°

ESE 3

18:00

34°

NNW 4

Teresina forecast in charts · next 7 days

The week ahead: highs and lows

≈ A week close to the usual temperatures

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Teresina climate: what a normal year looks like

Every month of the year sees typical highs of 30 °C or more — April, the mildest, still averages 31 °C.

The hottest stretch is October, when afternoons average 37 °C; the coldest is March, when nights average 23 °C.

The wet season is concentrated from February to April, which brings 61% of the annual total; March by itself averages 325 mm.

From July to September, rain is scarce: under 10 mm a month on average.

Forecast highs for the coming week average 39 °C, 2 °C warmer than a normal October (37 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	32 °C	23 °C	238 mm
Feb	32 °C	23 °C	283 mm
Mar	31 °C	23 °C	325 mm
Apr	31 °C	23 °C	254 mm
May	32 °C	23 °C	119 mm
Jun	33 °C	23 °C	17 mm
Jul	34 °C	23 °C	9 mm
Aug	35 °C	23 °C	3 mm
Sep	36 °C	24 °C	5 mm
Oct	37 °C	25 °C	18 mm
Nov	36 °C	25 °C	46 mm
Dec	34 °C	24 °C	100 mm
Whole year	34 °C	24 °C	1,420 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 5.09° S, 42.80° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Teresina: pollution and pollen

3/6

Moderate

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.524µg/m³

PM1026µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Teresina

Rain observed over the last two hours by official weather radars around Teresina, followed by the radar forecast for the next hour where the weather service provides one.

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Teresina yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Teresina

Waning gibbous

87 % illuminated · 18.3 days

Rise 15:09 Set 02:22

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (America/Fortaleza); phase and lit fraction from a synodic calculation.

Look up a past day in Teresina

Curious about the weather in Teresina on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Teresina weather at a glance

This page gathers everything about the weather in Teresina, Piauí: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “clear sky”, it is 29 °C (feels like 39 °C) and the wind blows at 5 km/h.

Expected range today: 23 °C to 39 °C and a dry sky; it will be very hot. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Teresina weather data for developers

Use the Teresina forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

Create a free key

Where does this forecast come from? Our engine, checked every day against 1125 weather stations