Current Conditions

Tatsuno, Nagano

81°F27°C

Drizzle

Wind

NNW 2 mph4 km/h

Humidity

58%

Cloud Cover

37%

As of Friday, July 24, 2026 at 5:11 PM GMT+9

Today's Outlook

Day

Mostly clear and hot, with a high of 86°F30°C and morning low of 69°F20°C. Light wind from the NNW around 3 mph5 km/h. 22% chance of drizzle in the afternoon.

Night

Mostly clear, with a low around 69°F21°C. Light wind from the N around 3 mph5 km/h.

7-Day Forecast

Day	Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
SaturdayJul 25	Drizzle	High 86°F30°C	Low 69°F20°C	Precip 0.01 in0.3 mm22%	Cloud 21%	Wind N 3 mph5 km/h	Saturday: Mostly clear and hot, with a high of 86°F30°C and morning low of 69°F20°C. Light wind from the NNW around 3 mph5 km/h. 22% chance of drizzle in the afternoon. Saturday Night: Mostly clear, with a low around 69°F21°C. Light wind from the N around 3 mph5 km/h.
SundayJul 26	Showers	High 81°F27°C	Low 69°F20°C	Precip 0.13 in3.2 mm78%	Cloud 67%	Wind W 2 mph4 km/h	Sunday: Overcast and warm, with a high of 81°F27°C and morning low of 69°F20°C. Light wind from the W around 3 mph4 km/h. 78% chance of light rain around midday. Sunday Night: Mostly cloudy, with a low around 69°F21°C. Light wind from the WNW around 2 mph3 km/h. 50% chance of showers in the evening.
MondayJul 27	Rain	High 79°F26°C	Low 66°F19°C	Precip 0.26 in6.5 mm88%	Cloud 81%	Wind WNW 2 mph3 km/h	Monday: Overcast and warm, with a high of 79°F26°C and morning low of 66°F19°C. Light wind from the WNW around 2 mph3 km/h. 88% chance of rain throughout the day. Monday Night: Mostly cloudy, with a low around 66°F19°C. Light wind from the W around 2 mph3 km/h. 82% chance of light rain throughout the night.
TuesdayJul 28	Rain	High 77°F25°C	Low 65°F18°C	Precip 0.38 in9.7 mm96%	Cloud 85%	Wind SW 3 mph5 km/h	Tuesday: Overcast and warm, with a high of 77°F25°C and morning low of 65°F18°C. Light wind from the SW around 3 mph5 km/h. 96% chance of rain throughout the day. Tuesday Night: Overcast, with a low around 65°F18°C. Light wind from the SW around 2 mph4 km/h. 90% chance of rain throughout the night.
WednesdayJul 29	Light Rain	High 81°F27°C	Low 65°F18°C	Precip 0.08 in2 mm48%	Cloud 77%	Wind W 3 mph5 km/h	Wednesday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 66°F19°C. Light wind from the W around 3 mph5 km/h. 48% chance of light rain throughout the day. Wednesday Night: Mostly cloudy, with a low around 65°F18°C. Light wind from the WSW around 3 mph4 km/h. 27% chance of drizzle throughout the night.
ThursdayJul 30	Drizzle	High 83°F28°C	Low 66°F19°C	Precip 0.03 in0.8 mm20%	Cloud 75%	Wind WSW 3 mph5 km/h	Thursday: Mostly cloudy and warm, with a high of 83°F28°C and morning low of 66°F19°C. Light wind from the WSW around 3 mph5 km/h. 20% chance of drizzle around midday. Thursday Night: Mostly cloudy, with a low around 67°F19°C. Light wind from the W around 3 mph5 km/h. 11% chance of drizzle in the evening.
FridayJul 31	Drizzle	High 86°F30°C	Low 68°F20°C	Precip 0.02 in0.5 mm11%	Cloud 65%	Wind W 3 mph4 km/h	Friday: Mostly cloudy and hot, with a high of 86°F30°C and morning low of 68°F20°C. Light wind from the W around 2 mph4 km/h. 11% chance of drizzle in the afternoon. Friday Night: Mostly cloudy, with a low around 68°F20°C. Light wind from the WNW around 3 mph5 km/h.

15-Day Forecast

	Day	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Condition	Wind (mph)
	SaturdayJul 25	86°F30°C	69°F20°C	0.01 in0.3 mm· 22%	21%	Drizzle	N 3 mph5 km/h
DayMostly clear and hot, with a high of 86°F30°C and morning low of 69°F20°C. Light wind from the NNW around 3 mph5 km/h. 22% chance of drizzle in the afternoon. NightMostly clear, with a low around 69°F21°C. Light wind from the N around 3 mph5 km/h.
	SundayJul 26	81°F27°C	69°F20°C	0.13 in3.2 mm· 78%	67%	Showers	W 2 mph4 km/h
DayOvercast and warm, with a high of 81°F27°C and morning low of 69°F20°C. Light wind from the W around 3 mph4 km/h. 78% chance of light rain around midday. NightMostly cloudy, with a low around 69°F21°C. Light wind from the WNW around 2 mph3 km/h. 50% chance of showers in the evening.
	MondayJul 27	79°F26°C	66°F19°C	0.26 in6.5 mm· 88%	81%	Rain	WNW 2 mph3 km/h
DayOvercast and warm, with a high of 79°F26°C and morning low of 66°F19°C. Light wind from the WNW around 2 mph3 km/h. 88% chance of rain throughout the day. NightMostly cloudy, with a low around 66°F19°C. Light wind from the W around 2 mph3 km/h. 82% chance of light rain throughout the night.
	TuesdayJul 28	77°F25°C	65°F18°C	0.38 in9.7 mm· 96%	85%	Rain	SW 3 mph5 km/h
DayOvercast and warm, with a high of 77°F25°C and morning low of 65°F18°C. Light wind from the SW around 3 mph5 km/h. 96% chance of rain throughout the day. NightOvercast, with a low around 65°F18°C. Light wind from the SW around 2 mph4 km/h. 90% chance of rain throughout the night.
	WednesdayJul 29	81°F27°C	65°F18°C	0.08 in2 mm· 48%	77%	Light Rain	W 3 mph5 km/h
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 66°F19°C. Light wind from the W around 3 mph5 km/h. 48% chance of light rain throughout the day. NightMostly cloudy, with a low around 65°F18°C. Light wind from the WSW around 3 mph4 km/h. 27% chance of drizzle throughout the night.
	ThursdayJul 30	83°F28°C	66°F19°C	0.03 in0.8 mm· 20%	75%	Drizzle	WSW 3 mph5 km/h
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 66°F19°C. Light wind from the WSW around 3 mph5 km/h. 20% chance of drizzle around midday. NightMostly cloudy, with a low around 67°F19°C. Light wind from the W around 3 mph5 km/h. 11% chance of drizzle in the evening.
	FridayJul 31	86°F30°C	68°F20°C	0.02 in0.5 mm· 11%	65%	Drizzle	W 3 mph4 km/h
DayMostly cloudy and hot, with a high of 86°F30°C and morning low of 68°F20°C. Light wind from the W around 2 mph4 km/h. 11% chance of drizzle in the afternoon. NightMostly cloudy, with a low around 68°F20°C. Light wind from the WNW around 3 mph5 km/h.
	SaturdayAug 1	88°F31°C	68°F20°C	0.02 in0.4 mm· 11%	61%	Drizzle	W 2 mph4 km/h
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 68°F20°C. Light wind from the W around 2 mph4 km/h. 11% chance of drizzle in the afternoon. NightMostly cloudy, with a low around 69°F21°C. Light wind from the WNW around 3 mph4 km/h.
	SundayAug 2	88°F31°C	69°F21°C	0.03 in0.8 mm· 16%	49%	Drizzle	WNW 2 mph3 km/h
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 69°F21°C. Light wind from the W around 2 mph3 km/h. 16% chance of drizzle around midday. Humid. NightMostly cloudy, with a low around 70°F21°C. Light wind from the NW around 2 mph4 km/h. 11% chance of drizzle in the evening.
	MondayAug 3	87°F30°C	71°F22°C	0.06 in1.4 mm· 27%	53%	Drizzle	NE 2 mph4 km/h
DayPartly cloudy and hot, with a high of 87°F30°C and morning low of 71°F22°C. Light wind from the NE around 2 mph3 km/h. 27% chance of drizzle around midday. Humid. NightMostly cloudy, with a low around 72°F22°C. Light wind from the NNE around 2 mph4 km/h. 24% chance of drizzle in the evening.
	TuesdayAug 4	85°F30°C	71°F21°C	0.07 in1.8 mm· 34%	54%	Showers	NE 2 mph4 km/h
DayMostly cloudy and warm, with a high of 85°F30°C and morning low of 71°F21°C. Light wind from the NE around 3 mph4 km/h. 34% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 72°F22°C. Light wind from the NE around 2 mph4 km/h. 30% chance of showers in the evening.
	WednesdayAug 5	84°F29°C	70°F21°C	0.13 in3.2 mm· 39%	62%	Showers	ENE 3 mph5 km/h
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 70°F21°C. Light wind from the ENE around 3 mph5 km/h. 39% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 71°F22°C. Light wind from the ENE around 3 mph4 km/h. 34% chance of showers in the evening.
	ThursdayAug 6	83°F28°C	70°F21°C	0.33 in8.5 mm· 39%	66%	Showers	ENE 3 mph5 km/h
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 70°F21°C. Light wind from the E around 4 mph6 km/h. 38% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 71°F21°C. Light wind from the ENE around 3 mph5 km/h. 39% chance of showers throughout the night.
	FridayAug 7	82°F28°C	70°F21°C	0.45 in11.4 mm· 49%	73%	Light Rain	ESE 4 mph6 km/h
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 70°F21°C. Light wind from the ESE around 4 mph6 km/h. 49% chance of light rain throughout the day. Humid. NightMostly cloudy, with a low around 70°F21°C. Light wind from the ESE around 3 mph5 km/h. 43% chance of light rain throughout the night.
	SaturdayAug 8	82°F28°C	70°F21°C	0.33 in8.5 mm· 39%	72%	Light Rain	SE 4 mph6 km/h
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 70°F21°C. Light wind from the SE around 4 mph6 km/h. 39% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 70°F21°C. Light wind from the ESE around 3 mph5 km/h. 28% chance of light rain throughout the night.

Nearby Cities

Okaya6 mi9 km Kinoshita6 mi9 km Suwa7 mi12 km Shimosuwa8 mi12 km Minamiminowa8 mi13 km Shiojiri8 mi13 km

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 35.9843°N, 137.9972°E·Elevation: 726m·Timezone: Asia/Tokyo·Population: 18,951