gistfile1.txt

Dark Sky, currently supported in API:

"clear-day" = "☀"
"clear-night" = "🌕" or "🌙" or "🌑"
"rain" = "🌧" or "💧"
"snow" = "🌨" or "❄"
"sleet" = "🌧" or "💧"
"wind" = "💨" or "🌬️" or "🍃"
"fog" = "🌫" or "🌁"
"cloudy" = "☁"
"partly-cloudy-day" = "⛅" or "🌤"
"partly-cloudy-night" = "☁"

(j.currently.icon in the weather plugin, then lookup in a list to get the unicode icon)

All weather unicode:
☀ 🌞 🌤 ⛅ 🌥 🌦 🌧 🌨 🌩 ⛈ ❄ 💧 🌪 🌀 ☁ 🌫 🌁 🌬 🍃 💨