{"publishingOffice":"気象庁","editorialOffice":"気象庁本庁","datetime":"2026-10-20T04:32:35Z","headlineText":"","reportDatetime":"2026-10-20T14:00:00+09:00","targetDatetime":"2026-11-01T00:00:00+09:00","targetDuration":"P3M","metInfos":[{"duration":"P3M","termName":"向こう３か月","items":[{"type":"出現の可能性が最も大きい天候と、特徴のある気温、降水量等の確率","areaCode":"010000","areaName":"全国","feature":{"elements":[{"kind":"気温","text":"平均気温は、北日本で高い確率５０％、東・西日本と沖縄・奄美で高い確率６０％です。"},{"kind":"降水量","text":"降水量は、北日本太平洋側で平年並または多い確率ともに４０％、東日本太平洋側と西日本と沖縄・奄美で多い確率５０％です。"},{"kind":"降雪量","text":"降雪量は、北日本日本海側で平年並または少ない確率ともに４０％です。"}]}},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020100","areaName":"北日本","kind":"気温","below":"20","normal":"30","above":"50"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020200","areaName":"東日本","kind":"気温","below":"10","normal":"30","above":"60"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020300","areaName":"西日本","kind":"気温","below":"10","normal":"30","above":"60"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020400","areaName":"沖縄・奄美","kind":"気温","below":"10","normal":"30","above":"60"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020110","areaName":"北日本日本海側","kind":"降水量","below":"30","normal":"30","above":"40"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020120","areaName":"北日本太平洋側","kind":"降水量","below":"20","normal":"40","above":"40"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020210","areaName":"東日本日本海側","kind":"降水量","below":"30","normal":"30","above":"40"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020220","areaName":"東日本太平洋側","kind":"降水量","below":"20","normal":"30","above":"50"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020310","areaName":"西日本日本海側","kind":"降水量","below":"20","normal":"30","above":"50"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020320","areaName":"西日本太平洋側","kind":"降水量","below":"20","normal":"30","above":"50"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020400","areaName":"沖縄・奄美","kind":"降水量","below":"20","normal":"30","above":"50"},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020110","areaName":"北日本日本海側","kind":"降雪量","below":"40","normal":"40","above":"20"}]}],"timeDefines":["2026-11-01T00:00:00+09:00","2026-12-01T00:00:00+09:00","2027-01-01T00:00:00+09:00"],"timeInfos":[{"type":"出現の可能性が最も大きい天候と、特徴のある気温、降水量等の確率","areaCode":"010000","areaName":"全国","feature":{"situations":[{"text":"　北日本日本海側では、平年と同様に曇りや雨または雪の日が多いでしょう。北・東・西日本太平洋側では、平年に比べ晴れの日が少ないでしょう。東日本日本海側では、平年と同様に曇りや雨の日が多いでしょう。西日本日本海側と沖縄・奄美では、平年に比べ曇りや雨の日が多いでしょう。","refId":"1"},{"text":"　北日本日本海側では、平年と同様に曇りや雪または雨の日が多いでしょう。北・東・西日本太平洋側では、平年に比べ晴れの日が少ないでしょう。東日本日本海側では、平年と同様に曇りや雨または雪の日が多いでしょう。西日本日本海側では、平年に比べ曇りや雨または雪の日が多いでしょう。沖縄・奄美では、平年に比べ曇りや雨の日が多いでしょう。","refId":"2"},{"text":"　北日本日本海側では、平年と同様に曇りや雪の日が多いでしょう。北日本太平洋側では、平年と同様に晴れの日が多いでしょう。東日本日本海側では、平年と同様に曇りや雪または雨の日が多いでしょう。東・西日本太平洋側では、平年に比べ晴れの日が少ないでしょう。西日本日本海側では、平年に比べ曇りや雪または雨の日が多いでしょう。沖縄・奄美では、平年に比べ曇りや雨の日が多いでしょう。","refId":"3"}],"elements":[{"kind":"気温","texts":[{"text":"気温は、北日本で平年並または高い確率ともに４０％、東・西日本で高い確率６０％、沖縄・奄美で高い確率５０％です。","refId":"1"},{"text":"気温は、北日本で平年並または高い確率ともに４０％、東・西日本と沖縄・奄美で高い確率５０％です。","refId":"2"},{"text":"気温は、北日本で平年並または高い確率ともに４０％、東・西日本で高い確率５０％、沖縄・奄美で高い確率６０％です。","refId":"3"}]},{"kind":"降水量","texts":[{"text":"降水量は、北日本太平洋側と沖縄・奄美で平年並または多い確率ともに４０％、東日本太平洋側と西日本で多い確率５０％です。","refId":"1"},{"text":"降水量は、北日本太平洋側で平年並または多い確率ともに４０％、東日本太平洋側と西日本と沖縄・奄美で多い確率５０％です。","refId":"2"},{"text":"降水量は、東日本太平洋側と西日本と沖縄・奄美で多い確率５０％です。","refId":"3"}]}]}},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020100","areaName":"北日本","probabilities":[{"kind":"気温","refId":"1","below":"20","normal":"40","above":"40"},{"kind":"気温","refId":"2","below":"20","normal":"40","above":"40"},{"kind":"気温","refId":"3","below":"20","normal":"40","above":"40"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020200","areaName":"東日本","probabilities":[{"kind":"気温","refId":"1","below":"10","normal":"30","above":"60"},{"kind":"気温","refId":"2","below":"20","normal":"30","above":"50"},{"kind":"気温","refId":"3","below":"20","normal":"30","above":"50"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020300","areaName":"西日本","probabilities":[{"kind":"気温","refId":"1","below":"10","normal":"30","above":"60"},{"kind":"気温","refId":"2","below":"20","normal":"30","above":"50"},{"kind":"気温","refId":"3","below":"20","normal":"30","above":"50"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020400","areaName":"沖縄・奄美","probabilities":[{"kind":"気温","refId":"1","below":"20","normal":"30","above":"50"},{"kind":"気温","refId":"2","below":"10","normal":"40","above":"50"},{"kind":"気温","refId":"3","below":"10","normal":"30","above":"60"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020110","areaName":"北日本日本海側","probabilities":[{"kind":"降水量","refId":"1","below":"30","normal":"30","above":"40"},{"kind":"降水量","refId":"2","below":"30","normal":"30","above":"40"},{"kind":"降水量","refId":"3","below":"30","normal":"40","above":"30"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020120","areaName":"北日本太平洋側","probabilities":[{"kind":"降水量","refId":"1","below":"20","normal":"40","above":"40"},{"kind":"降水量","refId":"2","below":"20","normal":"40","above":"40"},{"kind":"降水量","refId":"3","below":"30","normal":"30","above":"40"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020210","areaName":"東日本日本海側","probabilities":[{"kind":"降水量","refId":"1","below":"30","normal":"30","above":"40"},{"kind":"降水量","refId":"2","below":"30","normal":"30","above":"40"},{"kind":"降水量","refId":"3","below":"30","normal":"30","above":"40"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020220","areaName":"東日本太平洋側","probabilities":[{"kind":"降水量","refId":"1","below":"20","normal":"30","above":"50"},{"kind":"降水量","refId":"2","below":"20","normal":"30","above":"50"},{"kind":"降水量","refId":"3","below":"20","normal":"30","above":"50"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020310","areaName":"西日本日本海側","probabilities":[{"kind":"降水量","refId":"1","below":"20","normal":"30","above":"50"},{"kind":"降水量","refId":"2","below":"20","normal":"30","above":"50"},{"kind":"降水量","refId":"3","below":"20","normal":"30","above":"50"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020320","areaName":"西日本太平洋側","probabilities":[{"kind":"降水量","refId":"1","below":"20","normal":"30","above":"50"},{"kind":"降水量","refId":"2","below":"20","normal":"30","above":"50"},{"kind":"降水量","refId":"3","below":"20","normal":"30","above":"50"}]},{"type":"地域・期間平均平年偏差各階級の確率","areaCode":"020400","areaName":"沖縄・奄美","probabilities":[{"kind":"降水量","refId":"1","below":"20","normal":"40","above":"40"},{"kind":"降水量","refId":"2","below":"20","normal":"30","above":"50"},{"kind":"降水量","refId":"3","below":"20","normal":"30","above":"50"}]}],"additionalInfos":[{"target":"１か月予報","text":"１か月予報：毎週木曜日　１４時３０分　次回は１０月２２日","datetime":"2026-10-22T14:30:00+09:00"},{"target":"３か月予報","text":"３か月予報：１１月２４日（火）　１４時","datetime":"2026-11-24T14:00:00+09:00"}],"notice":"　最新の１か月予報もあわせてご利用ください。\n　新しい予測資料を踏まえ寒候期の天候について検討しましたが、９月１８日に発表した寒候期予報の内容に変更はありません。"}