Symbol 3369 from ISO 7000 - Title/Meaning: Ambient air temperature, outside operator cabin Function/description: To indicate the ambient air temperature outside of the operator cabin.
pay attention to orientation of symbolAdditional information: 
Symbols applicable to specific machine forms may be substituted for this symbol.
Own work using: iso.org/obp/graphics/grs/fb25446f-7832-484c-b1b4-92d3e68305f9 200.png
Vectorization:  Mrmw