Pompey were left cursing the rain after their trip to Charlton on Saturday was washed out.
Now Kenny Jackett is hoping the sun will be shining on his side when they travel to The Valley again on Tuesday.
There is some more wet weather forecast overnight, although nothing like the deluge that fell in south-east London at the weekend.
The fixture marks the start of an extremely hectic schedule for Pompey, that rarely lets up before the action concludes in May.
And Jackett is looking for his troops to show their promotion credentials following successive defeats to Hull and Lincoln.
The Blues boss said: “There weren’t too many Tuesdays remaining this season when both sides were without a fixture.
“It would have been into April and so it does make sense to use this week and it’s given the guys at Charlton a few days to work on the pitch.
"There weren’t too many Tuesdays remaining this season when both sides were without a fixture."
“Now we’re looking to get our season up and running again during what is a very busy period of the season.
“These final 23 games have to be played in the next 14 weeks, so it’s going to be a big challenge – but it’s something we should enjoy.
“We’ll work hard and do everything we can to be successful. It’s great to be fighting at the right end of the table and we want to get one of those three promotion spaces.
“Charlton have recently come out of the Championship and retained a very good squad, so they’re one of around 8-10 teams who will all think they can go up.
“With so many matches to play, everyone in that group has certainly got a chance of achieving just that.”
Pompey have no new fitness worries, while Jack Whatmough will start a three-game ban after an appeal against his red card against Lincoln was rejected.
Jackett said: “We’ve obviously got Jack suspended, while Alex Bass, Ben Close and Paul Downing are all still injured.