The most common and most likely answer to this crossword clue is the 5 letter word SLEET
I've seen this crossword clue in The Daily Telegraph
S
L
E
E
T
More clues leading to the result SLEET
- Form of precipitation making sesame plants shoot up
- . Street includes area that’s sheltered – from this, perhaps
- Determined to describe the foreign snow, partly melted
- Shelter in road in wintry weather
- Shelter in street for wet weather
- In a way, there’s general snow and rain
- Stoned, let’s inject drug for 13
- Shelter in street — from this?
- Shelter in street from snow and rain
- Shelter in the street from snow and rain
Buddy explains!

The straight part
We know that "wet weather" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wet weather = sleet.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SLEET mean?
SLEET noun- Pellets of ice made of mostly frozen raindrops or refrozen melted snowflakes.
- A mixture of rain and snow.
- A smooth coating of ice formed on ground or other objects by freezing rain.
- Part of a mortar extending from the chamber to the trunnions.
- (of the weather) To be in a state in which sleet is falling.