Who is forecasted today to win the South Carolina governor's race?
Updated Monday, October 26, 2026 · 8 days to Election Day · VotePredictor
Alan Wilson is favored. The VotePredictor forecast gives Wilson a 99% chance of beating Jermaine Johnson, with a predicted margin of Wilson +15.1. That is a Safe R race: Wilson wins in nearly every simulation, and Johnson in the other 1%.
What the forecast is built on
The forecast starts from the 3 public polls in the forecast window, whose plain average is Wilson +12.6. Each poll is corrected for its voter screen and its pollster's measured house effect first (the “Adjusted” column below).
- The polls, weighted and corrected, read Wilson +16.1.
- The fundamentals (the state's presidential lean, incumbency, the last result and the national environment) read Wilson +5.6.
- The published forecast blends the two, mostly on the polls, at Wilson +15.1.
How the forecast has moved
| Date | Wilson's chance | Predicted margin |
|---|---|---|
| Sep 5 | 78% | Wilson +10.6 |
| Oct 1 | 93% | Wilson +9.9 |
| Oct 19 | >99% | Wilson +13.1 |
| Oct 26 (today) | 99% | Wilson +15.1 |
The polls
3 polls are in today's forecast; 2 older ones have aged out and are shown dimmed. Margins are Democrat minus Republican.
The polls behind it
5 polls · 3 in today's forecast · newest firstDimmed polls are more than 61 days old. They stay on the record, but today's forecast no longer counts them. Each pollster name links to the poll's source.The VotePredictor margin is the poll after correcting for its pollster's record in past elections and for registered-voter or all-adult samples.
What everyone else says
Prediction markets
| Market | Wilson's chance |
|---|---|
| Polymarket | 94% |
| Kalshi | 94% |
| VotePredictor | 99% |
Rating shops
| Forecaster | Rating | As of |
|---|---|---|
| Decision Desk HQ | Lean R | Oct. 23, 2026 |
| RealClearPolitics | Likely R | Oct. 12, 2026 |
| Cook Political Report | Solid R | Oct. 23, 2026 |
| Fox News | Solid R | Oct. 20, 2026 |
| Inside Elections | Solid R | Oct. 15, 2026 |
| NBC News | Solid R | Oct 23, 2026 |
| Sabato's Crystal Ball | Solid R | Oct. 22, 2026 |
| Silver Bulletin | Solid R | Oct. 23, 2026 |
All 8 rating shops favor Wilson. The markets average 94% for Wilson; VotePredictor is 5 points more confident in Wilson.
Can you trust this forecast?
Every VotePredictor forecast is scored after the election against the same outcomes as everyone else's. Across 615 past races (Senate, governor, House and president), our final forecasts rank #2 of every forecaster that covered them all (Brier score 0.075, lower is better); FiveThirtyEight is first at 0.074. The full record is on the forecaster rankings and methodology pages.
This article is regenerated every day from the VotePredictor forecast, the poll database, the prediction markets and the rating shops' latest published ratings. Live numbers are on the race page.