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Forecast for Unknown Site (84.091 W 9.928 N)

Icon Definition

Icon Technical Definition
Octet-gram of cloud cover, blue is for clear while white is for cloud. e.g. the "cake" on the left is 0% cloud while the one on the right is 100% cloud.
Astronomical seeing. From left to right: <0.5", 0.5"-0.75", 0.75"-1", 1"-1.25", 1.25"-1.5", 1.5"-2", 2"-2.5", >2.5". In short, the smaller/bluer, the better the seeing condition is.
Atmospheric transparency. From left to right: <0.3, 0.3-0.4, 0.4-0.5, 0.5-0.6, 0.6-0.7, 0.7-0.85, 0.85-1, >1 (unit: mag per air mass). In short, the fewer bars/bluer, the better the transparency is.
Chances of rain/snow.
Atmospheric instability. From left to right: lifted index between 0 to -3, -3 to -5, and below -5.
Humid weather warning. From left to right: relative humidity between 80%-90%, 90%-95%, and over 95%.
Windy weather warning. From left to right: sustained wind speed between 8.0-10.8m/s (fresh), 10.8-17.2m/s (strong), and over 17.2m/s (gale or above).

For more details, please refer to the Wiki.

Getting the forecast thumbnail on your website

Here is the snippet to include the forecast thumbnail of this location on your website:

Machine-readable API

7Timer! offers machine-readable API in XML and JSON format. The points of access of this location are:


Check the Wiki for a detailed explanation of the packets returned.

Term of Use

This service is provided as-is. Feel free to use it as you like. There is no need to ask me for permission if you want to put the forecast thumbnail on your website or use the data for your software (free or paid). I would certainly appreciate a note if you like it, or if you have any suggestions or comments. Issues and suggestions can be suggested through the GitHub Issue Tracker.

Find a Location by Coordinates

If you have already know the coordinate of the location you want to query, you can use this form to get to the forecast page. Coordinates must be input as "dd.ddd/-dd.ddd", like "113.190,23.094 or -113.190,-23.094", with precision up to 0.001.

Longitude: Latitude:

7Timer! thanks Xasteria for iOS for their generous support.