ame ga hurisou nara, beranda no monohosi ha naka ni ireta hou ga ii.

It means it looks like it’s going to rain or it seems likely to rain.

This そう is the pattern used for appearance / likelihood:

• 降る → 降りそう = looks like it will rain
• おいしい → おいしそう = looks delicious

So 雨が降りそう is not just a plain future statement like it will rain. It suggests the speaker is judging from the situation, such as dark clouds or the weather forecast.

Japanese often omits things that are understood, but here 雨が makes the sentence clearer and more natural.

• 雨が降る = rain falls / it rains
• 雨が降りそう = it looks like it will rain

The subject of 降る in Japanese is 雨, so 雨が is the normal way to say it.

You can sometimes hear just 降りそうなら, especially if the topic is already clear, but 雨が降りそうなら sounds complete and natural on its own.

Because 雨 is the thing that does the verb 降る in Japanese grammar.

In English we say it rains, but in Japanese the expression is literally closer to rain falls:

• 雨が降る

So:

• 雨が = rain as the grammatical subject
• 降りそう = looks like it will fall / rain

Using は would change the nuance:

• 雨は降りそう can sound contrastive, like as for rain, it looks likely

But the basic neutral form is 雨が降りそう.

なら means if, if it is the case that, or if that’s so.

So:

• 雨が降りそうなら = if it looks like it’s going to rain

This conditional often sounds like the speaker is responding to a condition or assumption:

• If that’s the situation, then...

Compared with other conditionals:

• 〜たら often means when/if after something happens
• 〜なら often means if that’s the case / if so

Here, なら fits well because the speaker is talking about a judgment: if it seems likely to rain.

It means something like the clothes-drying rack on the balcony or the laundry on the balcony, depending on context.

Breakdown:

• ベランダ = balcony / veranda
• の = links nouns, like of or on
• 物干し = literally thing for drying items

In everyday Japanese, 物干し can refer to:

• a clothes-drying rack
• a clothesline / drying pole
• sometimes, by context, the laundry put out to dry

So ベランダの物干し most likely means the drying rack / laundry setup on the balcony.

Because は marks the topic, not the direct object.

The full idea is:

• As for the drying rack / laundry on the balcony, it’s better to bring it inside.

Japanese often uses は in advice sentences like this:

• 薬は飲んだほうがいい。
  • As for the medicine, you should take it.

If you used を, the sentence would focus more directly on the object of 入れる:

• ベランダの物干しを中に入れたほうがいい。

That is also grammatical.
But は gives a more topical, advice-like feeling: as for that thing, here’s what you should do with it.

It means to put inside or to bring inside.

Breakdown:

• 中 = inside
• に = particle marking destination
• 入れる = to put in / insert / bring in

So in this sentence:

• ベランダの物干しは中に入れたほうがいい
• You should bring the balcony drying rack / laundry inside

Even though English often says bring in, Japanese simply uses inside + put.

This is a very common pattern:

• Verb in past casual form + ほうがいい = it would be better to do... / you should...

So:

• 入れたほうがいい = you’d better bring it inside / it’s better to bring it inside

Even though 入れた is a past form, the whole pattern does not mean past time here. It is just the grammar used for giving advice.

Examples:

• 早く寝たほうがいい。 = You should go to bed early.
• 傘を持って行ったほうがいい。 = You should take an umbrella.

By contrast:

• 入れるほうがいい is possible in some contexts, but it usually sounds more like comparing options: putting it inside is better
• 入れたほうがいい is the normal advice pattern

It usually means should or had better, so it is advice rather than a direct command.

• softer than a command like 入れなさい
• usually more practical and natural in everyday speech

In this sentence, the tone is:

• If it looks like rain, you should bring it inside.

Depending on context, it can sound:

• gentle advice
• practical recommendation
• mild warning

So it is stronger than maybe you could..., but softer than do it now.

The subject is omitted, which is very normal in Japanese.

From context, the implied subject is usually:

• you
• we
• or the person responsible for it

So the sentence naturally means something like:

• If it looks like it’s going to rain, you should bring the laundry/drying rack inside.

Japanese often leaves out subjects when they are obvious from the situation.

It could be either, depending on context.

Common possibilities:

• drying rack
• drying pole / clothesline
• by extension, sometimes the laundry hanging there

If this sentence appeared in isolation, many learners would understand it as:

• the clothes-drying rack on the balcony or
• the laundry hanging out on the balcony

In natural English translation, people often choose whichever sounds most normal in context:

• bring the laundry in
• bring the drying rack in

Japanese often puts the condition first, then the main advice or result.

Structure here:

• 雨が降りそうなら = If it looks like it’s going to rain
• ベランダの物干しは中に入れたほうがいい = you should bring the balcony laundry/drying rack inside

So the sentence is basically:

[If-condition], [advice].

That order is very common in Japanese and also possible in English:

• If it looks like rain, you should bring the laundry in.

Yes, but the nuance changes.

• 雨が降りそうなら = if it looks like it’s going to rain / if that’s the case
• 雨が降りそうだったら = also possible, with a similar if it seems likely to rain meaning

However:

• 雨が降ったら means if/when it rains
• that refers to the rain actually happening, not just looking likely

So for this sentence, 〜なら is a good choice because the action should be taken before it starts raining.

Yes:

• 雨 = rain
• が = subject marker
• 降りそう = looks like it will fall / looks like it will rain
• なら = if, if that’s the case
• ベランダ = balcony
• の = of / on
• 物干し = drying rack / clothesline / laundry for drying
• は = topic marker
• 中 = inside
• に = into / to
• 入れた = put in / brought in
• ほうがいい = it’s better to / should

Natural whole meaning:

• If it looks like it’s going to rain, you should bring the drying rack / laundry from the balcony inside.