Historical 4-day Weather Forecast (2021)

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Historical 4-day Weather Forecast (2021)

Data from Dec 2020 to Dec 2021

Last updated: 16 Apr 2025, 11:40 SGT

NEA (National Environment Agency)

Historical 4 day outlook weather forecast data for Singapore. The data includes various attributes related to the forecast, such as forecast date, wind speed, relative humidity, temperature, and forecast descriptions. All timestamps are provided in Singapore Time (SGT), formatted in ISO 8601.

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Disclaimer: This dataset may contain missing records and has not undergone quality control procedures applied to climate data and records. For official climate records or climate data reports, please contact sales_climo@nea.gov.sg. Please note that fees may apply for data and report preparation.

Data explorer

Historical4dayWeatherForecast2021.csv (3.3K rows, 699.9 KB)

Date Date (YYYY-MM-DD)	Timestamp Text	Update Timestamp Text	Forecast Date Date (YYYY-MM-DD)	Forecast Timestamp Text	Forecast Summary Text	Forecast Text Text	Forecast Code Text	Wind Speed High Numeric	Wind Speed Low Numeric	Wind Direction Text	Relative Humidity High Numeric	Relative Humidity Low Numeric	Temperature High Numeric	Temperature Low Numeric
(Null)0.0%	(Null)0.0%	(Null)0.0%	(Null)0.0%	(Null)0.0% 2021-06-10T00:00:00+08:000.5% 2021-06-08T00:00:00+08:000.5% 2021-06-09T00:00:00+08:000.5% 2021-08-16T00:00:00+08:000.5%	(Null)0.0% Afternoon thundery showers.27.2% Late morning and early afternoon thundery showers.15.6% Morning thundery showers.13.5% Pre-dawn and early morning thundery showers.4.0%	(Null)0.0% Thundery Showers81.8% Windy4.8% Fair (Day)3.9% Showers2.8%	(Null)0.0% TL81.8% WD4.8% FA3.9% SH2.8%	(Null)0.0% 20.033.5% 15.032.1% 25.023.1% 30.06.6%	(Null)0.0% 10.053.7% 5.031.2% 15.014.0% 20.00.8%	(Null)0.0% SW15.9% S10.0% NE9.9% VARIABLE9.4%	(Null)0.0% 95.045.0% 90.043.9% 85.07.8% 80.02.7%	(Null)0.0% 60.058.5% 55.017.8% 65.013.3% 50.07.8%	(Null)0.0% 33.043.6% 34.040.9% 32.011.9% 31.01.5%	(Null)0.0% 24.067.5% 25.016.1% 23.011.4% 26.03.8%
2021-01-01	2021-01-01T05:11:00+08:00	2021-01-01T05:32:11+08:00	2021-01-02	2021-01-02T00:00:00+08:00	Windy. Periods of showers, at times with thunder.	Thundery Showers	TL	30.0	20.0	N	90.0	60.0	30.0	23.0
2021-01-01	2021-01-01T05:11:00+08:00	2021-01-01T05:32:11+08:00	2021-01-03	2021-01-03T00:00:00+08:00	Afternoon thundery showers.	Thundery Showers	TL	20.0	10.0	N	90.0	60.0	32.0	23.0
2021-01-01	2021-01-01T05:11:00+08:00	2021-01-01T05:32:11+08:00	2021-01-04	2021-01-04T00:00:00+08:00	Afternoon thundery showers.	Thundery Showers	TL	20.0	10.0	N	90.0	60.0	33.0	24.0
2021-01-01	2021-01-01T05:11:00+08:00	2021-01-01T05:32:11+08:00	2021-01-05	2021-01-05T00:00:00+08:00	Afternoon thundery showers.	Thundery Showers	TL	25.0	15.0	N	90.0	60.0	33.0	24.0
2021-01-05	2021-01-05T18:11:00+08:00	2021-01-05T21:02:14+08:00	2021-01-06	2021-01-06T00:00:00+08:00	Afternoon thundery showers.	Thundery Showers	TL	20.0	10.0	N	95.0	55.0	33.0	24.0
2021-01-05	2021-01-05T18:11:00+08:00	2021-01-05T21:02:14+08:00	2021-01-07	2021-01-07T00:00:00+08:00	Afternoon thundery showers.	Thundery Showers	TL	20.0	10.0	NNE	95.0	55.0	33.0	24.0
2021-01-05	2021-01-05T18:11:00+08:00	2021-01-05T21:02:14+08:00	2021-01-08	2021-01-08T00:00:00+08:00	Afternoon and evening thundery showers.	Thundery Showers	TL	20.0	10.0	NNE	95.0	55.0	33.0	24.0
2021-01-05	2021-01-05T18:11:00+08:00	2021-01-05T21:02:14+08:00	2021-01-09	2021-01-09T00:00:00+08:00	Windy. Periods of showers, at times with thunder.	Thundery Showers	TL	25.0	15.0	NE	95.0	60.0	29.0	22.0
2021-01-06	2021-01-06T10:26:00+08:00	2021-01-06T11:02:12+08:00	2021-01-07	2021-01-07T00:00:00+08:00	Afternoon thundery showers.	Thundery Showers	TL	20.0	10.0	N	95.0	55.0	33.0	24.0
2021-01-06	2021-01-06T10:26:00+08:00	2021-01-06T11:02:12+08:00	2021-01-08	2021-01-08T00:00:00+08:00	Afternoon and evening thundery showers.	Thundery Showers	TL	20.0	10.0	NE	95.0	55.0	33.0	24.0

Column legend

Title	Column name	Data type	Unit of measure	Description
Date	date	Date (YYYY-MM-DD)	-	-
Timestamp	timestamp	Text	-	-
Update Timestamp	update_timestamp	Text	-	-
Forecast Date	forecast_date	Date (YYYY-MM-DD)	-	-
Forecast Timestamp	forecast_timestamp	Text	-	-
Forecast Summary	forecast_summary	Text	-	-
Forecast Text	forecast_text	Text	-	-
Forecast Code	forecast_code	Text	-	-
Wind Speed High	wind_speed_high	Numeric	-	-
Wind Speed Low	wind_speed_low	Numeric	-	-

Sample OpenAPI query

This code can be used to test a sample API query. It retrieves the data catalogue of this dataset. For a complete guide on query parameters and syntax, please refer to the API documentation. Try it out on your browser to see the response schema.

import requests
          
dataset_id = "d_344c275fe9f29c13f4e042cc9d0faa66"
url = "https://data.gov.sg/api/action/datastore_search?resource_id="  + dataset_id 
        
response = requests.get(url)
print(response.json())

Data explorer

Historical4dayWeatherForecast2021.csv (3.3K rows, 699.9 KB)

Column legend

Analyse this dataset with Colab Notebook

Sample OpenAPI query

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