Current Conditions
Isumi, Chiba
Feels like91°F33°C
Wind
SSE 8 mph14 km/h
Humidity
87%
Cloud Cover
72%
As of Friday, July 24, 2026 at 4:56 PM GMT+9
Today's Outlook
Day
Partly cloudy and warm, with a high of 86°F30°C and morning low of 80°F27°C — feels like 97°F36°C. Breezy from the NE at 5 to 8 mph8 to 12 km/h. 45% chance of showers in the morning. Heat risk in the afternoon.
Night
Overcast, with a low around 79°F26°C. Breezy from the ENE at 7 to 10 mph12 to 15 km/h. 73% chance of light rain throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| SaturdayJul 25 | Showers | High 86°F30°CFeels 97°F36°C | Low 79°F26°C | Precip 0.17 in4.2 mm73% | Cloud 62% | Wind NE 6 mph10 km/h | Saturday: Partly cloudy and warm, with a high of 86°F30°C and morning low of 80°F27°C — feels like 97°F36°C. Breezy from the NE at 5 to 8 mph8 to 12 km/h. 45% chance of showers in the morning. Heat risk in the afternoon. Saturday Night: Overcast, with a low around 79°F26°C. Breezy from the ENE at 7 to 10 mph12 to 15 km/h. 73% chance of light rain throughout the night. |
| SundayJul 26 | Rain | High 83°F28°CFeels 90°F32°C | Low 78°F25°C | Precip 0.27 in6.9 mm73% | Cloud 74% | Wind ENE 6 mph10 km/h | Sunday: Mostly cloudy and warm, with a high of 83°F28°C — feels like 90°F32°C. Breezy from the ESE at 6 to 7 mph9 to 12 km/h. 57% chance of showers throughout the day. Heavy, humid air. Sunday Night: Mostly cloudy, with a low around 78°F25°C. Breezy from the NE at 7 to 8 mph11 to 13 km/h. 73% chance of rain throughout the night. |
| MondayJul 27 | Rain | High 81°F27°CFeels 87°F30°C | Low 77°F25°C | Precip 0.59 in14.9 mm89% | Cloud 83% | Wind NE 8 mph13 km/h | Monday: Mostly cloudy and warm, with a high of 81°F27°C. Breezy from the NE at 9 mph14 km/h. 34% chance of light rain throughout the day. Heavy, humid air. Monday Night: Overcast, with a low around 77°F25°C. Breezy from the NE at 8 to 9 mph12 to 14 km/h. 89% chance of rain throughout the night. |
| TuesdayJul 28 | Light Rain | High 81°F27°CFeels 87°F31°C | Low 77°F25°C | Precip 0.38 in9.6 mm58% | Cloud 84% | Wind E 7 mph11 km/h | Tuesday: Overcast and warm, with a high of 81°F27°C — feels like 88°F31°C. Breezy from the ESE at 7 to 8 mph11 to 13 km/h. 58% chance of light rain throughout the day. Heavy, humid air. Tuesday Night: Overcast, with a low around 77°F25°C. Breezy from the E at 7 mph11 km/h. 51% chance of light rain throughout the night. |
| WednesdayJul 29 | Showers | High 84°F29°CFeels 92°F33°C | Low 78°F26°C | Precip 0.19 in4.8 mm51% | Cloud 67% | Wind SW 7 mph12 km/h | Wednesday: Mostly cloudy and warm, with a high of 84°F29°C and morning low of 78°F26°C — feels like 91°F33°C. Breezy from the NW at 7 to 8 mph12 to 12 km/h. 31% chance of showers throughout the day. Heavy, humid air. Wednesday Night: Mostly cloudy, with a low around 78°F26°C. Breezy from the SW at 7 mph12 km/h. 51% chance of light rain throughout the night. |
| ThursdayJul 30 | Drizzle | High 85°F30°CFeels 95°F35°C | Low 80°F27°C | Precip 0.04 in1 mm11% | Cloud 74% | Wind SSW 8 mph13 km/h | Thursday: Mostly cloudy and warm, with a high of 85°F30°C and morning low of 80°F27°C — feels like 95°F35°C. Breezy from the SW at 8 to 9 mph12 to 14 km/h. 11% chance of drizzle throughout the day. Heat risk in the afternoon. Thursday Night: Mostly cloudy, with a low around 80°F27°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. |
| FridayJul 31 | Drizzle | High 86°F30°CFeels 97°F36°C | Low 81°F27°CFeels 89°F32°C | Precip 0.03 in0.7 mm11% | Cloud 65% | Wind SSW 8 mph13 km/h | Friday: Mostly cloudy and warm, with a high of 86°F30°C and morning low of 81°F27°C — feels like 97°F36°C. Breezy from the S at 8 to 9 mph12 to 15 km/h. 11% chance of drizzle in the morning. Heat risk in the afternoon. Friday Night: Mostly cloudy, with a low around 81°F27°C. Breezy from the SSW at 8 to 9 mph14 to 15 km/h. |
15-Day Forecast
| Day | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Condition | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| SaturdayJul 25 | 86°F30°C Feels 97°F36°C | 79°F26°C | 0.17 in4.2 mm· 73% | 62% | Showers | NE 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 80°F27°C — feels like 97°F36°C. Breezy from the NE at 5 to 8 mph8 to 12 km/h. 45% chance of showers in the morning. Heat risk in the afternoon. NightOvercast, with a low around 79°F26°C. Breezy from the ENE at 7 to 10 mph12 to 15 km/h. 73% chance of light rain throughout the night. | |||||||
| SundayJul 26 | 83°F28°C Feels 90°F32°C | 78°F25°C | 0.27 in6.9 mm· 73% | 74% | Rain | ENE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C — feels like 90°F32°C. Breezy from the ESE at 6 to 7 mph9 to 12 km/h. 57% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 78°F25°C. Breezy from the NE at 7 to 8 mph11 to 13 km/h. 73% chance of rain throughout the night. | |||||||
| MondayJul 27 | 81°F27°C Feels 87°F30°C | 77°F25°C | 0.59 in14.9 mm· 89% | 83% | Rain | NE 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C. Breezy from the NE at 9 mph14 km/h. 34% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 77°F25°C. Breezy from the NE at 8 to 9 mph12 to 14 km/h. 89% chance of rain throughout the night. | |||||||
| TuesdayJul 28 | 81°F27°C Feels 87°F31°C | 77°F25°C | 0.38 in9.6 mm· 58% | 84% | Light Rain | E 7 mph11 km/h | |
DayOvercast and warm, with a high of 81°F27°C — feels like 88°F31°C. Breezy from the ESE at 7 to 8 mph11 to 13 km/h. 58% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 77°F25°C. Breezy from the E at 7 mph11 km/h. 51% chance of light rain throughout the night. | |||||||
| WednesdayJul 29 | 84°F29°C Feels 92°F33°C | 78°F26°C | 0.19 in4.8 mm· 51% | 67% | Showers | SW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 78°F26°C — feels like 91°F33°C. Breezy from the NW at 7 to 8 mph12 to 12 km/h. 31% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 78°F26°C. Breezy from the SW at 7 mph12 km/h. 51% chance of light rain throughout the night. | |||||||
| ThursdayJul 30 | 85°F30°C Feels 95°F35°C | 80°F27°C | 0.04 in1 mm· 11% | 74% | Drizzle | SSW 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 85°F30°C and morning low of 80°F27°C — feels like 95°F35°C. Breezy from the SW at 8 to 9 mph12 to 14 km/h. 11% chance of drizzle throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 80°F27°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. | |||||||
| FridayJul 31 | 86°F30°C Feels 97°F36°C | 81°F27°C Feels 89°F32°C | 0.03 in0.7 mm· 11% | 65% | Drizzle | SSW 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 81°F27°C — feels like 97°F36°C. Breezy from the S at 8 to 9 mph12 to 15 km/h. 11% chance of drizzle in the morning. Heat risk in the afternoon. NightMostly cloudy, with a low around 81°F27°C. Breezy from the SSW at 8 to 9 mph14 to 15 km/h. | |||||||
| SaturdayAug 1 | 86°F30°C Feels 97°F36°C | 82°F28°C Feels 90°F32°C | 0.02 in0.4 mm· 5% | 61% | Hot | SSW 9 mph14 km/h | |
DayMostly cloudy and hot, with a high of 86°F30°C — feels like 97°F36°C. Breezy from the SSW at 9 to 10 mph14 to 16 km/h. Heat risk in the afternoon. NightMostly cloudy, with a low around 82°F28°C. Breezy from the SSW at 9 to 10 mph14 to 15 km/h. | |||||||
| SundayAug 2 | 86°F30°C Feels 96°F36°C | 81°F27°C Feels 89°F32°C | 0.02 in0.6 mm· 9% | 48% | Hot | S 9 mph14 km/h | |
DayMostly cloudy and hot, with a high of 86°F30°C and morning low of 81°F27°C — feels like 97°F36°C. Breezy from the S at 8 to 10 mph13 to 16 km/h. Heat risk in the afternoon. NightPartly cloudy, with a low around 81°F27°C. Breezy from the S at 9 mph14 km/h. | |||||||
| MondayAug 3 | 85°F29°C Feels 95°F35°C | 81°F27°C Feels 88°F31°C | 0.04 in0.9 mm· 13% | 41% | Drizzle | SE 9 mph14 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C — feels like 95°F35°C. Breezy from the SE at 9 to 10 mph14 to 17 km/h. 13% chance of drizzle throughout the day. Heavy, humid air. NightPartly cloudy, with a low around 81°F27°C. Breezy from the SE at 9 mph14 km/h. | |||||||
| TuesdayAug 4 | 84°F29°C Feels 94°F34°C | 81°F27°C Feels 87°F31°C | 0.06 in1.4 mm· 24% | 46% | Drizzle | E 10 mph16 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C — feels like 93°F34°C. Breezy from the E at 10 to 12 mph17 to 19 km/h. 24% chance of drizzle throughout the day. Heavy, humid air. NightPartly cloudy, with a low around 81°F27°C. Breezy from the E at 10 to 11 mph16 to 18 km/h. 15% chance of drizzle throughout the night. | |||||||
| WednesdayAug 5 | 84°F29°C Feels 94°F35°C | 81°F27°C Feels 88°F31°C | 0.24 in6 mm· 33% | 55% | Showers | E 12 mph20 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C — feels like 95°F35°C. Breezy from the E at 12 to 14 mph20 to 22 km/h. 33% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 81°F27°C. Breezy from the E at 12 to 13 mph19 to 21 km/h. 24% chance of showers throughout the night. | |||||||
| ThursdayAug 6 | 84°F29°C Feels 94°F34°C | 81°F27°C Feels 88°F31°C | 0.31 in7.9 mm· 47% | 63% | Showers | SE 14 mph22 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C — feels like 93°F34°C. Breezy from the ESE at 14 to 15 mph22 to 24 km/h. 47% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 81°F27°C. Breezy from the SE at 14 mph22 km/h. 40% chance of showers throughout the night. | |||||||
| FridayAug 7 | 84°F29°C Feels 94°F35°C | 81°F27°C Feels 89°F31°C | 0.26 in6.6 mm· 49% | 64% | Showers | SE 14 mph23 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C — feels like 95°F35°C. Breezy from the SE at 14 to 15 mph23 to 24 km/h. 49% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 81°F27°C. Breezy from the SSE at 14 mph22 km/h. 43% chance of showers throughout the night. | |||||||
| SaturdayAug 8 | 84°F29°C Feels 94°F34°C | 81°F27°C Feels 88°F31°C | 0.15 in3.7 mm· 34% | 63% | Showers | SSE 14 mph22 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C — feels like 93°F34°C. Breezy from the SSE at 13 to 14 mph22 to 23 km/h. 34% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 81°F27°C. Breezy from the SSE at 14 mph22 km/h. 34% chance of showers throughout the night. | |||||||
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About This Forecast
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Coordinates: 35.2300°N, 140.4049°E·Elevation: 1m·Timezone: Asia/Tokyo·Population: 35,544