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Home > Weather and Earthquakes > One-week Forecasts

One-week Forecasts

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Prefecture

Issued at 23:00 JST, 18 August 2017

Date 19
Sat
20
Sun
21
Mon
22
Tue
23
Wed
24
Thu
25
Fri
KUSHIRO

CLOUDY
13 /21
10/0/10/10
MOSTLY CLOUDY
14 /20
20
MOSTLY CLOUDY
15 /20
20
CLOUDY, OCCASIONAL SCATTERED SHOWERS
16 /20
50
CLOUDY
16 /21
30
CLOUDY
16 /21
20
CLOUDY
16 /22
40
/ / A C C B C
ASAHIKAWA

PARTLY CLOUDY
17 /27
0/0/10/0
PARTLY CLOUDY
15 /26
10
PARTLY CLOUDY
16 /27
10
MOSTLY CLOUDY
15 /26
20
MOSTLY CLOUDY
17 /25
30
CLOUDY
17 /26
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
17 /26
60
/ / A B C C C
SAPPORO

PARTLY CLOUDY
18 /25
0/0/10/0
PARTLY CLOUDY
17 /26
10
PARTLY CLOUDY
17 /24
10
CLOUDY
17 /24
30
MOSTLY CLOUDY
18 /26
20
CLOUDY
19 /26
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
19 /27
60
/ / A C A C C
AOMORI

CLOUDY, PARTLY CLOUDY LATER
19 /25
20/20/10/10
MOSTLY CLOUDY
17 /26
10
CLOUDY, OCCASIONAL SCATTERED SHOWERS
17 /27
50
CLOUDY, FREQUENT SCATTERED SHOWERS
19 /26
80
CLOUDY
20 /27
30
CLOUDY
20 /28
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
21 /29
50
/ / C A B C C
AKITA

CLOUDY
23 /28
30/30/40/30
CLOUDY
20 /29
30
CLOUDY, OCCASIONAL SCATTERED SHOWERS
20 /29
50
CLOUDY, FREQUENT SCATTERED SHOWERS
21 /27
80
CLOUDY
21 /28
30
CLOUDY
22 /28
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
23 /29
50
/ / C B C C C
SENDAI

SHOWERS THROUGHOUT THE DAY
21 /24
50/50/50/50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
19 /21
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
18 /23
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
20 /26
80
CLOUDY
22 /28
30
MOSTLY CLOUDY
22 /28
10
MOSTLY CLOUDY
22 /29
30
/ / C B A A B
Date 19
Sat
20
Sun
21
Mon
22
Tue
23
Wed
24
Thu
25
Fri
NIIGATA

CLOUDY, OCCASIONAL SCATTERED SHOWERS
23 /28
50/50/40/20
CLOUDY
23 /29
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
23 /29
60
CLOUDY, OCCASIONAL SCATTERED SHOWERS
23 /28
70
CLOUDY
22 /28
40
MOSTLY CLOUDY
23 /30
30
CLOUDY
24 /30
40
/ / B B C C C
KANAZAWA

CLOUDY, PARTLY CLOUDY LATER
24 /30
40/30/20/10
CLOUDY
23 /30
30
CLOUDY, OCCASIONAL SCATTERED SHOWERS
24 /29
60
CLOUDY, OCCASIONAL SCATTERED SHOWERS
24 /29
70
CLOUDY
24 /30
30
MOSTLY CLOUDY
24 /32
30
CLOUDY
25 /31
40
/ / B B B B C
TOKYO

CLOUDY, OCCASIONAL SCATTERED SHOWERS LATER
25 /31
20/20/30/50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
22 /28
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
21 /28
50
CLOUDY
23 /31
40
MOSTLY CLOUDY
24 /33
30
PARTLY CLOUDY
24 /33
30
MOSTLY CLOUDY
25 /33
30
/ / C C C B B
UTSUNOMIYA

CLOUDY, OCCASIONAL SCATTERED SHOWERS LATER
23 /29
30/20/50/50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
22 /27
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
20 /27
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
22 /29
60
MOSTLY CLOUDY
22 /31
30
PARTLY CLOUDY
22 /32
30
MOSTLY CLOUDY
23 /33
30
/ / C B C C C
NAGANO

CLOUDY
22 /29
20/20/20/20
CLOUDY
22 /31
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
22 /28
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
22 /28
50
MOSTLY CLOUDY
22 /30
20
PARTLY CLOUDY
21 /32
20
MOSTLY CLOUDY
22 /32
30
/ / C C A A B
NAGOYA

CLEAR, OCCASIONAL SCATTERED SHOWERS
24 /34
50/10/20/10
MOSTLY CLOUDY
23 /33
20
CLOUDY
25 /31
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
24 /30
60
MOSTLY CLOUDY
24 /33
30
PARTLY CLOUDY
25 /34
20
MOSTLY CLOUDY
26 /33
30
/ / C B A A B
Date 19
Sat
20
Sun
21
Mon
22
Tue
23
Wed
24
Thu
25
Fri
OSAKA

CLOUDY, CLEAR LATER
26 /34
30/10/20/0
PARTLY CLOUDY
25 /34
20
CLOUDY
26 /33
40
CLOUDY, OCCASIONAL SCATTERED SHOWERS
25 /32
50
MOSTLY CLOUDY
25 /34
30
PARTLY CLOUDY
26 /35
20
MOSTLY CLOUDY
26 /35
30
/ / C C B B C
TAKAMATSU

PARTLY CLOUDY
26 /34
10/0/10/10
PARTLY CLOUDY
26 /34
20
CLOUDY
26 /33
40
CLOUDY
26 /32
40
PARTLY CLOUDY
26 /35
30
MOSTLY CLOUDY
27 /36
30
MOSTLY CLOUDY
27 /36
40
/ / C C B A B
MATSUE

MOSTLY CLOUDY
24 /30
20/0/20/20
MOSTLY CLOUDY
22 /30
20
CLOUDY, OCCASIONAL SCATTERED SHOWERS
24 /31
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
24 /30
60
PARTLY CLOUDY
24 /32
20
PARTLY CLOUDY
25 /33
10
MOSTLY CLOUDY
25 /32
30
/ / C B B A C
HIROSHIMA

PARTLY CLOUDY
25 /32
0/10/20/20
MOSTLY CLOUDY
25 /33
20
CLOUDY, OCCASIONAL SCATTERED SHOWERS
25 /33
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
25 /32
60
PARTLY CLOUDY
26 /33
20
PARTLY CLOUDY
26 /34
10
MOSTLY CLOUDY
26 /33
30
/ / C B A A B
KOCHI

PARTLY CLOUDY
25 /33
0/0/10/10
PARTLY CLOUDY
25 /33
20
CLOUDY
25 /32
40
MOSTLY CLOUDY
25 /32
40
PARTLY CLOUDY
25 /34
30
MOSTLY CLOUDY
25 /34
30
MOSTLY CLOUDY
25 /34
40
/ / C C B A B
Date 19
Sat
20
Sun
21
Mon
22
Tue
23
Wed
24
Thu
25
Fri
FUKUOKA

PARTLY CLOUDY
24 /33
0/0/10/0
PARTLY CLOUDY
25 /34
20
CLOUDY, OCCASIONAL SCATTERED SHOWERS
26 /33
60
CLOUDY
25 /33
40
PARTLY CLOUDY
26 /34
20
PARTLY CLOUDY
26 /34
10
PARTLY CLOUDY
27 /34
30
/ / B C A A B
KAGOSHIMA

CLEAR
25 /34
0/0/10/10
PARTLY CLOUDY
26 /33
10
CLOUDY, OCCASIONAL SCATTERED SHOWERS
26 /32
60
MOSTLY CLOUDY
27 /33
40
PARTLY CLOUDY
27 /35
20
PARTLY CLOUDY
27 /35
10
PARTLY CLOUDY
27 /33
20
/ / B C B B B
AMAMI

CLEAR
26 /34
10/10/10/10
CLEAR, CLOUDY LATER
26 /33
10
MOSTLY CLOUDY
26 /33
40
PARTLY CLOUDY
26 /33
30
PARTLY CLOUDY
26 /33
30
PARTLY CLOUDY
26 /33
20
PARTLY CLOUDY
26 /33
20
/ / C B C B B
NAHA

CLEAR
28 /34
10/10/10/10
CLOUDY, OCCASIONAL SCATTERED SHOWERS LATER
28 /32
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
27 /32
50
MOSTLY CLOUDY
28 /32
30
MOSTLY CLOUDY
27 /32
30
MOSTLY CLOUDY
27 /32
30
MOSTLY CLOUDY
27 /32
30
/ / C C C C C
ISHIGAKI

CLEAR
28 /34
10/10/10/10
CLEAR, CLOUDY LATER
28 /32
30
CLOUDY, OCCASIONAL SCATTERED SHOWERS
28 /32
50
CLOUDY, OCCASIONAL SCATTERED SHOWERS
27 /32
50
CLOUDY
27 /32
40
MOSTLY CLOUDY
27 /32
30
MOSTLY CLOUDY
27 /32
30
/ / C C C C C

Legend
Weather (/: to, |: occasionally or partly)
Low/High (°C)
Probability of precipitation (%) for six hours or for the day

One-week forecasts for individual prefectures are issued at 11:00 and 17:00 JST every day. The latest daily forecasts are displayed in the columns for the first and second days. The probability of precipitation for today and tomorrow is displayed with six hours as a unit (i.e., 00 – 06/06 – 12/12 – 18/18 – 24 JST).
Figures shown in parentheses in the low and high temperature rows indicate the ranges of error in degrees Celsius. The reliability for the day is represented as A, B or C in descending order of expected accuracy. The results of precipitation forecast accuracy verification for the period from 1 April 2002 to 31 March 2007 indicate an average accuracy of 86% for A, 72% for B and 56% for C.
Values in the normal precipitation column represent the range of normal cumulative precipitation amounts for the coming seven days, while the figures in the normal low/high temperature columns represent those for the fourth day of the period.