Synonyms for "horrible" in "horrible weather"?

This is the sentence:
The next day, under horrible weather, we went on a tour to a property with a representative from the host agency.

Is there a word that means "horrible" and is typically used just for weather?
Thank you.

 

How about foul weather?

Or instead of the generic word "weather", how about something more specific:

The next day, whipped by torrential rain and wind gusts, we toured the property with a host agent.

 

Dismal causing gloom or dejection; gloomy; dreary; cheerless; melancholy: dismal weather.

 

ditto cog's 'foul'

'inclement' also relates to weather almost exclusively

 

horrendous
horrid
relentless

I prefer Cogito's sentence were the word 'weather' is not mentioned.

 

I'd say "lousy weather" but not everyone might.

 

. . . awful weather, we went . . .

Keeping up with the Ws. That's just me.

 

The next day it was belting down . . .

The next day it was raining cats and dogs . . .

The next day the rain came down like stair-rods . . .