Below are easy install instructions by OS and Architecture. As always there are always the standard instructions in the README.md as well.
darwin
386 - darwin
# Export the sha256sum for verification.
$ export WEATHER_SHA256="e25d2275837a54d3fc83600af4e0a34f4036e24bb8c415d92d384d66b1202e5a"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/...