Local forecast

Hainan, China

Haikou

28°

Mainly clear

Feels like 33°31°25°

Thursday, September 17 · 8:30 AM local time

Open-Meteo · weather model (not a station observation) · 8:30 AM

A clearer view of what's ahead.

Plan hour by hour

The next 48 hours

Open-Meteo · weather model (not a station observation) · 8:30 AM

Hourly forecast, local time. Missing values shown as a dash.
Time	Conditions	Temp.	Feels	Rain chance	Precip.	Wind
Thu 9:00 AM	Partly cloudy	28°	33°	1%	0 mm	8 km/h
Thu 10:00 AM	Light drizzle	30°	34°	4%	0.1 mm	8 km/h
Thu 11:00 AM	Light drizzle	30°	36°	14%	0.2 mm	9 km/h
Thu 12:00 PM	Overcast	31°	37°	39%	0 mm	10 km/h
Thu 1:00 PM	Slight rain showers	28°	33°	71%	2.2 mm	12 km/h
Thu 2:00 PM	Light drizzle	30°	37°	94%	0.2 mm	10 km/h
Thu 3:00 PM	Slight rain showers	28°	33°	100%	1.7 mm	13 km/h
Thu 4:00 PM	Light drizzle	29°	34°	100%	0.2 mm	13 km/h
Thu 5:00 PM	Mainly clear	29°	33°	94%	0 mm	14 km/h
Thu 6:00 PM	Clear sky	28°	32°	77%	0 mm	14 km/h
Thu 7:00 PM	Clear sky	27°	31°	54%	0 mm	12 km/h
Thu 8:00 PM	Clear sky	27°	31°	33%	0 mm	9 km/h
Thu 9:00 PM	Clear sky	26°	31°	19%	0 mm	7 km/h
Thu 10:00 PM	Clear sky	26°	31°	7%	0 mm	8 km/h
Thu 11:00 PM	Clear sky	26°	31°	0%	0 mm	9 km/h
Fri 12:00 AM	Mainly clear	26°	30°	0%	0 mm	11 km/h
Fri 1:00 AM	Clear sky	26°	30°	0%	0 mm	9 km/h
Fri 2:00 AM	Clear sky	25°	31°	2%	0 mm	4 km/h
Fri 3:00 AM	Clear sky	25°	31°	2%	0 mm	1 km/h
Fri 4:00 AM	Clear sky	25°	31°	1%	0 mm	3 km/h
Fri 5:00 AM	Clear sky	25°	31°	2%	0 mm	4 km/h
Fri 6:00 AM	Clear sky	25°	31°	2%	0 mm	5 km/h
Fri 7:00 AM	Mainly clear	26°	31°	3%	0 mm	7 km/h
Fri 8:00 AM	Mainly clear	27°	32°	10%	0 mm	10 km/h
Fri 9:00 AM	Light drizzle	28°	33°	30%	0.1 mm	10 km/h
Fri 10:00 AM	Light drizzle	29°	33°	57%	0.2 mm	13 km/h
Fri 11:00 AM	Overcast	29°	34°	78%	0 mm	15 km/h
Fri 12:00 PM	Thunderstorm	29°	35°	86%	0.4 mm	13 km/h
Fri 1:00 PM	Light drizzle	30°	35°	88%	0.1 mm	17 km/h
Fri 2:00 PM	Dense drizzle	27°	31°	88%	1.2 mm	18 km/h
Fri 3:00 PM	Slight rain showers	28°	32°	89%	1.4 mm	15 km/h
Fri 4:00 PM	Light drizzle	29°	32°	87%	0.3 mm	17 km/h
Fri 5:00 PM	Mainly clear	28°	32°	82%	0 mm	17 km/h
Fri 6:00 PM	Mainly clear	27°	31°	69%	0 mm	15 km/h
Fri 7:00 PM	Clear sky	27°	31°	52%	0 mm	15 km/h
Fri 8:00 PM	Partly cloudy	27°	31°	37%	0 mm	15 km/h
Fri 9:00 PM	Overcast	27°	31°	27%	0 mm	14 km/h
Fri 10:00 PM	Overcast	26°	31°	19%	0 mm	12 km/h
Fri 11:00 PM	Overcast	26°	31°	14%	0 mm	12 km/h
Sat 12:00 AM	Overcast	26°	31°	14%	0 mm	10 km/h
Sat 1:00 AM	Overcast	26°	32°	16%	0 mm	9 km/h
Sat 2:00 AM	Overcast	26°	32°	22%	0 mm	8 km/h
Sat 3:00 AM	Overcast	26°	32°	31%	0 mm	8 km/h
Sat 4:00 AM	Overcast	26°	31°	44%	0 mm	9 km/h
Sat 5:00 AM	Light drizzle	26°	31°	53%	0.3 mm	9 km/h
Sat 6:00 AM	Thunderstorm	25°	29°	57%	1.5 mm	12 km/h
Sat 7:00 AM	Slight rain showers	24°	28°	58%	1.4 mm	14 km/h

Coming up

Hour by hour

48 hours

Precipitation in the forecast from Thu 10:00 AM.

9:00 AM28°1%

10:00 AM30°4%

11:00 AM30°14%

12:00 PM31°39%

1:00 PM28°71%

2:00 PM30°94%

3:00 PM28°100%

4:00 PM29°100%

Open-Meteo · weather model (not a station observation) · 8:30 AM

View accessible hourly data

Hourly forecast, local time. Missing values shown as a dash.
Time	Conditions	Temp.	Feels	Rain chance	Precip.	Wind
Thu 9:00 AM	Partly cloudy	28°	33°	1%	0 mm	8 km/h
Thu 10:00 AM	Light drizzle	30°	34°	4%	0.1 mm	8 km/h
Thu 11:00 AM	Light drizzle	30°	36°	14%	0.2 mm	9 km/h
Thu 12:00 PM	Overcast	31°	37°	39%	0 mm	10 km/h
Thu 1:00 PM	Slight rain showers	28°	33°	71%	2.2 mm	12 km/h
Thu 2:00 PM	Light drizzle	30°	37°	94%	0.2 mm	10 km/h
Thu 3:00 PM	Slight rain showers	28°	33°	100%	1.7 mm	13 km/h
Thu 4:00 PM	Light drizzle	29°	34°	100%	0.2 mm	13 km/h
Thu 5:00 PM	Mainly clear	29°	33°	94%	0 mm	14 km/h
Thu 6:00 PM	Clear sky	28°	32°	77%	0 mm	14 km/h
Thu 7:00 PM	Clear sky	27°	31°	54%	0 mm	12 km/h
Thu 8:00 PM	Clear sky	27°	31°	33%	0 mm	9 km/h
Thu 9:00 PM	Clear sky	26°	31°	19%	0 mm	7 km/h
Thu 10:00 PM	Clear sky	26°	31°	7%	0 mm	8 km/h
Thu 11:00 PM	Clear sky	26°	31°	0%	0 mm	9 km/h
Fri 12:00 AM	Mainly clear	26°	30°	0%	0 mm	11 km/h
Fri 1:00 AM	Clear sky	26°	30°	0%	0 mm	9 km/h
Fri 2:00 AM	Clear sky	25°	31°	2%	0 mm	4 km/h
Fri 3:00 AM	Clear sky	25°	31°	2%	0 mm	1 km/h
Fri 4:00 AM	Clear sky	25°	31°	1%	0 mm	3 km/h
Fri 5:00 AM	Clear sky	25°	31°	2%	0 mm	4 km/h
Fri 6:00 AM	Clear sky	25°	31°	2%	0 mm	5 km/h
Fri 7:00 AM	Mainly clear	26°	31°	3%	0 mm	7 km/h
Fri 8:00 AM	Mainly clear	27°	32°	10%	0 mm	10 km/h
Fri 9:00 AM	Light drizzle	28°	33°	30%	0.1 mm	10 km/h
Fri 10:00 AM	Light drizzle	29°	33°	57%	0.2 mm	13 km/h
Fri 11:00 AM	Overcast	29°	34°	78%	0 mm	15 km/h
Fri 12:00 PM	Thunderstorm	29°	35°	86%	0.4 mm	13 km/h
Fri 1:00 PM	Light drizzle	30°	35°	88%	0.1 mm	17 km/h
Fri 2:00 PM	Dense drizzle	27°	31°	88%	1.2 mm	18 km/h
Fri 3:00 PM	Slight rain showers	28°	32°	89%	1.4 mm	15 km/h
Fri 4:00 PM	Light drizzle	29°	32°	87%	0.3 mm	17 km/h
Fri 5:00 PM	Mainly clear	28°	32°	82%	0 mm	17 km/h
Fri 6:00 PM	Mainly clear	27°	31°	69%	0 mm	15 km/h
Fri 7:00 PM	Clear sky	27°	31°	52%	0 mm	15 km/h
Fri 8:00 PM	Partly cloudy	27°	31°	37%	0 mm	15 km/h
Fri 9:00 PM	Overcast	27°	31°	27%	0 mm	14 km/h
Fri 10:00 PM	Overcast	26°	31°	19%	0 mm	12 km/h
Fri 11:00 PM	Overcast	26°	31°	14%	0 mm	12 km/h
Sat 12:00 AM	Overcast	26°	31°	14%	0 mm	10 km/h
Sat 1:00 AM	Overcast	26°	32°	16%	0 mm	9 km/h
Sat 2:00 AM	Overcast	26°	32°	22%	0 mm	8 km/h
Sat 3:00 AM	Overcast	26°	32°	31%	0 mm	8 km/h
Sat 4:00 AM	Overcast	26°	31°	44%	0 mm	9 km/h
Sat 5:00 AM	Light drizzle	26°	31°	53%	0.3 mm	9 km/h
Sat 6:00 AM	Thunderstorm	25°	29°	57%	1.5 mm	12 km/h
Sat 7:00 AM	Slight rain showers	24°	28°	58%	1.4 mm	14 km/h

The nearby picture

Weather radar

Explore the radar

US radar coverage only. Other regions are not supported.

Illustrative map · not live radar

Radar shows precipitation, not a forecast. Coverage and observations may be delayed.

Make room for the outdoors

10-day forecast

Details

10-day forecast. Daily precipitation probabilities, low and high temperatures.
Day	Conditions	Rain	Low	High
Today	Slight rain showers	100%	25°	31°
Fri	Thunderstorm	89%	25°	30°
Sat	Thunderstorm	94%	24°	30°
Sun	Overcast	25%	24°	30°
Mon	Thunderstorm	43%	24°	30°
Tue	Moderate drizzle	80%	25°	30°
Wed	Moderate drizzle	90%	25°	29°
Thu	Thunderstorm	88%	24°	30°
Fri	Thunderstorm	91%	25°	29°
Sat	Thunderstorm	94%	25°	29°

Open-Meteo · weather model (not a station observation) · 8:30 AM

The weather, made simple

Your day,
at a glance.

Model temperature is 28°C: mainly clear.
Highest available rain probability in the next 12 forecast hours: 100%.
Model sea-level pressure rises by 0.3 hPa across the next three hours.
Official alert status is not current; absence of warnings cannot be confirmed.

A rules-based summary of this forecast. Not AI-generated.

Open-Meteo · weather model (not a station observation) · 8:30 AM

A little time outside

Official alerts are unavailable or stale here. Outdoor recommendations are paused; the forecast is not a safety assessment.

Open-Meteo · weather model (not a station observation) · 8:30 AM

The details that matter

Beyond the temperature

Local conditions

Feels like

33°

Actual temperature 28°

What affects this?

Apparent temperature combines air temperature, humidity, wind and radiation.

Open-Meteo · weather model (not a station observation) · 8:30 AM

Precipitation

4.6 mm

100% daily probability

Next wet hour: Thu 10:00 AM · 0.1 mm

Open-Meteo · weather model (not a station observation) · 8:30 AM

Wind

6 km/h

Gusts 16 km/h

From 111°

Open-Meteo · weather model (not a station observation) · 8:30 AM

Humidity

83%

Dew point 25°

Dew point valid 8:00 AM

Open-Meteo · weather model (not a station observation) · 8:30 AM

Air quality

64US AQI

Moderate

Particles & scale

US EPA AQI scale. PM2.5: 14.9 µg/m³. PM10: 19.2 µg/m³. European AQI: 40.

Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe · 8:00 AM

UV index

8.1daily max

Very high · limit midday exposure

Open-Meteo · weather model (not a station observation) · 8:30 AM

Pressure & visibility

1012.2hPa

Forecast trend: steady

13.2 km visibility

Visibility valid 8:00 AM

Open-Meteo · weather model (not a station observation) · 8:30 AM

Sun & daylight

6:26 AM6:39 PM

12h 14m of daylight

Open-Meteo · weather model (not a station observation) · 8:30 AM

Moon phase

First quarter

32.9% illuminated

Astronomical calculation, not an observation.

Calculated with SunCalc · 8:30 AM

Pollen

Not available here

Pollen coverage varies by region. No estimated scores are shown.

Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe · 8:00 AM

Official alerts

Outside US alert coverage

This does not mean there are no alerts. Check your local meteorological authority.

Coverage & sources

Unavailable · Coverage unavailable

Sources, freshness & how to read this forecast

Times are local to Haikou (Asia/Shanghai). Forecasts and modeled environmental data are not on-site observations. A dash means a value is unavailable. Cached results are labeled; longer-range forecasts are less certain.

Forecast: Open-Meteo · weather model (not a station observation) · fresh · Fetched Sep 17, 2026, 8:42 AM

Air quality & pollen: Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe · fresh · Fetched Sep 17, 2026, 8:42 AM

Official alerts: Provider data is not supported for this region.

Read our methodology →

Haikou

The next 48 hours

Hour by hour

Weather radar

10-day forecast

Your day,at a glance.

A little time outside

Beyond the temperature

Feels like

Precipitation

Wind

Humidity

Air quality

UV index

Pressure & visibility

Sun & daylight

Moon phase

Pollen

Official alerts

Your day,
at a glance.