dwm-bar/bar-functions/dwm_weather.sh

#!/bin/sh

# A dwm_bar function to print the weather from wttr.in
# Joe Standring <git@joestandring.com>
# GNU GPLv3

# Dependencies: curl

# Change the value of LOCATION to match your city
dwm_weather() {
    LOCATION=city
    if [ "$IDENTIFIER" = "unicode" ]; then
        printf "[%s]\n" "$(curl -s wttr.in/$LOCATION?format=1)"
    else
        printf "[WEA %s]\n" "$(curl -s wttr.in/$LOCATION?format=1 | grep -o "[0-9].*")"
    fi
}

dwm_weather