The sun's blazing.
B2The sun is shining very brightly.
It's scorching hot.
B2It's extremely hot.
It's bitterly cold.
B2It's very cold.
It's freezing.
B2It's very cold.
It's mild.
B2The weather is pleasantly warm.
It's a bit nippy.
B2It's a little cold .
There's a strong wind.
B2The wind is blowing forcefully.
It's blowing a gale.
B2It's very windy.
It's overcast.
B2The sky is covered with clouds.
The sky is clear.
B2There are no clouds in the sky.
It's humid.
B2The air is moist and hot.
It's muggy.
B2The air is hot and humid .
There's a heatwave.
B2A period of unusually hot weather.
It's a beautiful day.
B2The weather is pleasant and enjoyable.
It's a lovely day.
B2The weather is pleasant and enjoyable.
It's breaking.
B2The weather is changing suddenly .
It's brightening up.
B2The weather is improving.
It's damp.
B2Slightly wet.
We're in for a storm.
B2A storm is likely to happen soon.
It's a washout.
B2The day is ruined by bad weather.
The weather is unpredictable.
B2The weather is changing rapidly and unexpectedly.
It's changeable.
B2The weather is changing frequently.
It's absolutely chucking it down.
C1It's raining very heavily.
We're in for a scorcher.
C1It's going to be extremely hot.