> Potato wholesale price forecast for 6 series in Japan: 4- and 12-week ranges, typical error, and the months when potato is cheapest. Updated daily.

Source: https://husfarm.com/forecasts/potato/

[Home](https://husfarm.com/)›[Prices](https://husfarm.com/prices/)›[Price forecasts](https://husfarm.com/forecasts/)›PotatoPrice forecast · data of 13 Nov 2026

# Potato price forecast for the next 12 weeks

6 wholesale potato price series from 6 markets in Japan have a forecast. The median series points to a rise over the coming weeks (+27.0% by the end of the forecast), against a typical 12-week error of 25%. Below: when potato is usually cheapest and dearest in 4 countries.

[Potato prices today](https://husfarm.com/today-price/potato/)[Method](https://husfarm.com/forecasts/#method)

[Forecasts](#forecasts)[All series](#all)[Seasonal calendar](#seasons)[Questions](#questions)

## Potato forecasts: 4 markets with the longest test record

Weekly average priceMost likely path80% range: 8 in 10 past forecasts ended inside a range this wide

### [Potatoes](https://husfarm.com/prices/quotes/fukuoka-city-produce-market-vegfru-stadium/potatoes/)

🇯🇵 Fukuoka City Central Wholesale Market, Produce Market (Vegefru Stadium), Japan
Latest weekly average**150** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**96.9–203** most likely 157 · +4.5%
Week of 18 Jan 2027 +12 weeks**88.1–304** most likely 182 · +21.6%
Typical error in tests14.4% at 4 weeks, 22.3% at 12 weeks (“no change”: 17.5% and 23.0%)

### [Potatoes](https://husfarm.com/prices/quotes/kyoto-central-wholesale-market/potatoes/)

🇯🇵 Kyoto City Central Wholesale Market, Japan
Latest weekly average**127** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**82.3–182** most likely 137 · +7.7%
Week of 18 Jan 2027 +12 weeks**91.8–293** most likely 168 · +32.0%
Typical error in tests16.2% at 4 weeks, 25.5% at 12 weeks (“no change”: 16.9% and 31.5%)

### [Potatoes](https://husfarm.com/prices/quotes/nagoya-city-central-wholesale-market-honjo/potatoes/)

🇯🇵 Nagoya City Central Wholesale Market (Main Market), Japan
Latest weekly average**129** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**85.9–216** most likely 153 · +18.7%
Week of 18 Jan 2027 +12 weeks**82.4–312** most likely 176 · +36.3%
Typical error in tests11.8% at 4 weeks, 27.4% at 12 weeks (“no change”: 19.0% and 24.7%)

### [Potatoes](https://husfarm.com/prices/quotes/nagoya-city-central-wholesale-market-northern-market/potatoes/)

🇯🇵 Nagoya City Central Wholesale Market (Northern Market), Japan
Latest weekly average**156** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**107–224** most likely 172 · +10.3%
Week of 18 Jan 2027 +12 weeks**112–333** most likely 197 · +26.2%
Typical error in tests13.6% at 4 weeks, 20.2% at 12 weeks (“no change”: 14.8% and 17.4%)

## All potato forecasts

Prices in each market’s currency and unit. Range: 80%. Typical error: median error at 12 weeks in the test on the series’ own history.
Potato price forecasts by market, data of 13 Nov 2026
| Quote and market | Latest week | In 4 weeks | In 12 weeks | Change | Typical error |
| --- | --- | --- | --- | --- | --- |
| [Potatoes](https://husfarm.com/prices/quotes/fukuoka-city-produce-market-vegfru-stadium/potatoes/)🇯🇵 Fukuoka City Central Wholesale Market, Produce Market (Vegefru Stadium)
| 150 JPY/kg | 96.9–203 | 88.1–304 | +21.6% | ±22% |
| [Potatoes](https://husfarm.com/prices/quotes/kyoto-central-wholesale-market/potatoes/)🇯🇵 Kyoto City Central Wholesale Market
| 127 JPY/kg | 82.3–182 | 91.8–293 | +32.0% | ±26% |
| [Potatoes](https://husfarm.com/prices/quotes/nagoya-city-central-wholesale-market-honjo/potatoes/)🇯🇵 Nagoya City Central Wholesale Market (Main Market)
| 129 JPY/kg | 85.9–216 | 82.4–312 | +36.3% | ±27% |
| [Potatoes](https://husfarm.com/prices/quotes/nagoya-city-central-wholesale-market-northern-market/potatoes/)🇯🇵 Nagoya City Central Wholesale Market (Northern Market)
| 156 JPY/kg | 107–224 | 112–333 | +26.2% | ±20% |
| [Potatoes](https://husfarm.com/prices/quotes/osaka-city-central-wholesale-market-eastern-market/potatoes/)🇯🇵 Osaka City Central Wholesale Market (Eastern Market)
| 138 JPY/kg | 88.3–224 | 85.9–303 | +27.4% | ±28% |
| [Potatoes](https://husfarm.com/prices/quotes/sendai-city-central-wholesale-market-honjo/potatoes/)🇯🇵 Sendai City Central Wholesale Market (Main Market)
| 137 JPY/kg | 108–205 | 101–297 | +26.5% | ±24% |

## When is potato cheapest? Seasonal price calendar

Usual wholesale price in each month against the yearly average, by country.
Potato wholesale prices by month, percent above or below the yearly average
| Country | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Cheapest | Dearest |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 🇯🇵 Japan19 series · 19 markets · 2024–2026 | +13 | +12 | +20 | +49 | +19 | −20 | +17 | −12 | −24 | −37 | −8 | +6 | October | April |
| 🇺🇾 Uruguay13 series · 2 markets · 2017–2025 | +3 | +8 | +12 | +15 | +10 | +2 | −7 | −10 | −9 | −11 | −1 | −3 | October | April |
| 🇬🇹 Guatemala4 series · 2 markets · 2016–2025 | −6 | −1 | 0 | +7 | +10 | +12 | +12 | −6 | −13 | −5 | −4 | −3 | September | July |
| 🇵🇱 Poland1 series · 1 market · 2018–2026 | +9 | +7 | +8 | −5 | +0 | +21 | +14 | −13 | −21 | −6 | −8 | −5 | September | June |

cheaper than the yearly average · dearer · figures in % · · no quotes in that month (season or data gap). Monthly averages of each series against its yearly average, after removing the long-term trend such as inflation; median across series and markets of the country, years with at least 10 months of quotes.

### A statistical forecast, not advice

The forecasts extend each series’ own seasonal pattern; they do not know about this year’s weather, harvests, policy or currency moves. Use the range, not only the central figure, and do not base trading, purchasing or credit decisions on them alone.

## Questions and answers

Will potato prices go up or down in the coming weeks?Of 6 potato price series with a forecast, 6 point higher and 0 lower or flat by the end of the forecast; the median series points to a rise (+27.0%). The forecasts repeat what the season usually does and are recalculated daily (data of 13 Nov 2026).
When is potato cheapest?In Japan, wholesale potato prices are usually lowest in October (−36.6% against the yearly average) and highest in April (+49.1%), based on 19 price series from 19 markets, 2024–2026. The calendar on this page shows 3 more countries.
How accurate is the potato price forecast?In tests on the last 52 weeks of each series, the typical 12-week error of the published potato forecasts was 25%. Each series passed the test only because its errors were smaller than those of a “no change” forecast. Results of the archived forecasts are on the accuracy page.
Where do the potato prices come from?From the wholesale markets and price services listed on each series, as published, in their own currencies and units. Husfarm does not adjust them except to compute weekly and monthly averages.

[Husfarm Potato Index](https://husfarm.com/indices/potato-world/) · [Potato prices today](https://husfarm.com/today-price/potato/) · [All price forecasts](https://husfarm.com/forecasts/) · [Accuracy](https://husfarm.com/forecasts/accuracy/)
Calculated from Husfarm price data; changes with every update. Data licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).

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