It will be Konta's third WTA Tour final.
Though Konta can climb no higher than No.9 rankings-wise, she can earn her second career title if she manages a first career victory over Radwanska.
"One thing that's very important for me that I'm focusing on a lot is having a lot of energy during the match", she said.
In Thursday's first semifinal Radwanska improved to 7-0 lifetime against Barbora Strycova with a 6-1, 6-2 win.
"I've played her (Radwanska) twice and lost to her twice, so hopefully I can step up tomorrow night against her", said the 25-year-old Konta, who moved from Australia when she was 14 and became a British citizen in 2012. "I'm looking forward to the challenge".
Evans was particularly dominant on his first serve, losing only seven points, and a single break in each of the last two sets was enough to topple the world No 37.
British number one Johanna Konta have entered the final after beating Canadian Eugenie Bouchard 6-2 6-2.
"I know going into it that it's going to be a tough match". "I just had to hang in there". And I was playing very well when it was 3-3, the game, even I lost it.
Russian Andrey Kuznetsov overcame Spanish fourth seed Pablo Carreno Busta 2-6, 6-4, 6-1 and will face the 67th-ranked Evans in the other semifinal.
Evans will be bidding to reach his first ATP Tour final.
Belgian qualifier Elise Mertens pulled off a shock in the quarter-finals of the Hobart International with a 6-2 7-5 victory over top seed Kiki Bertens.
German fifth seed Philipp Kohlschreiber knocked out Australian Jordan Thompson 7-5, 6-4 and will face the two-time defending champion Viktor Troicki.
Her progress capped a fine evening for British players at the tournament, after Dan Evans defeated a top-10 ranked opponent for the first time to advance to the semi-finals of the men's draw.
"For me it's the third year in a row (in) the semi-finals, so I'd also like to get one stage further".
" I don't have that much in my game so I have to stay in rallies a long time and try and frustrate people - and I think that's what I did pretty well today."More news: Russian hacking a threat to US democracy