The latest weather is really fantastic.
>> CORRECT! 
The sky is very blue and clear and patches of clouds are hanging high in the sky.
>> CORRECT! 
It looks like that the sky is a blue drawing paper and the cloud is a white paint.
>> It looks like the sky is a blue drawing paper and the clouds are white paint.
However, the daily temperature range is huge.
>> CORRECT! 
*wide
The sun is still very strong during the day time but it’s so cold during the early morning and at night.
>> CORRECT! 
It’s the inter-season to catch a cold easily.
>> It's the in-between season when people would catch a cold easily.
Incidentally, I think I should change my eating habits.
>> CORRECT! 
My wife and I dine out often even though we can eat meals at home.
>> CORRECT! 
It is about 2~3 times per a week.
>> CORRECT! 
Meals in the restaurants are usually delicious and we don’t need to prepare for our meals and to wash dishes.
>> CORRECT! 
OR >> ...we don't need to cook and wash the dishes.
However, usually it’s not good for our health.
>> CORRECT! 
So we should decrease the chance to dine out and eat at home.
>> So we should limit/avoid dining out and just eat at home.
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