Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 65%

12:40

02:29

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:32, Set: 18:52, Transit: 12:12. Moon - Rise: 12:40, Set: 02:29. Civil Dark: 19:18 - 05:06. Nautical Dark: 19:49 - 04:34. Astro Dark: 20:21 - 04:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
95
96
35
40
36
64
46
75
100
100
100
100
96
74
100
99
100

Low Clouds (% Sky Obscured)

22
22
24
24
23
24
19
26
29
30
31
18
17
22
31
84
93
67
57
55
39
80
93
86

Medium Clouds (% Sky Obscured)

38
39
46
45
45
33
20
25
27
31
37
36
64
46
75
99
98
100
100
84
64
95
61
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
92
70
60
1
0
3
4
46
58
71
2
0
2
0
0
3
44
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
2
2
1
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
16
27
36
33
27

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
3
0
0
0
0
0
1
0
2
7
2
3
10
11
10
15
21
20
23
19
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
3
4
4
5
6
6
7
7
7
9
9
8
7
8
8
8
8
8
9
9
9
10

Chance of Frost

Temperature (°C)

8
8
10
12
12
14
15
16
15
16
17
16
15
14
11
11
12
13
12
12
12
12
12
13

Feels Like (°C)

7
7
9
11
10
12
13
14
14
15
18
17
16
15
13
12
12
12
12
12
12
13
12
12

Dew Point (°C)

6
5
6
7
6
6
6
7
7
8
10
10
11
11
10
10
10
11
11
12
11
12
12
12

Relative Humidity (%)

84
82
80
75
64
61
57
56
59
60
62
67
74
83
92
93
90
89
95
96
95
98
96
96

Pressure (mb)

1018
1018
1019
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1019
1019
1020
1019
1019
1019
1018
1017
1017
1016

Ozone (du)

316
313
315
318
319
320
319
321
321
321
317
318
320
321
323
325
325
324
324
325
325
323
322
323

Sunday 26

Waxing Gibbous 75%

13:45

02:58

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:31, Set: 18:52, Transit: 12:12. Moon - Rise: 13:45, Set: 02:58. Civil Dark: 19:18 - 05:05. Nautical Dark: 19:50 - 04:33. Astro Dark: 20:22 - 04:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
96
70
23
45
45
42

Low Clouds (% Sky Obscured)

100
100
97
100
98
97
97
96
97
95
98
99
99
99
100
100
100
100
96
69
15
16
13
9

Medium Clouds (% Sky Obscured)

100
100
100
100
98
100
100
81
87
100
100
86
48
36
32
30
18
8
19
8
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
97
97
41
90
100
60
60
59
89
65
60
65
35
10
0
0
0
2
45
45
42

ISS Passover

Visibility (miles)

2
2
1
0
0
0
0
0
0
0
0
0
0
0
3
3
1
1
1
5
9
9
9
9

Fog (%)

72
43
61
87
38
14
5
2
0
19
0
1
0
0
0
0
0
0
2
2
0
0
0
0

Precipitation Type

None
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
68
95
95
95
95
95
95
95
95
95
95
88
34
21
9
6
6
1
0
0
0
0
0

Precipitation Amount (mm)

0
0.4
0.8
2
2.7
2.6
3.3
4
3.5
2.6
3.1
0.9
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
7
7
7
7
7
8
7
5
6
4
4
4
3
3
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

13
13
13
13
13
12
13
12
13
12
12
12
12
12
11
11
11
11
11
11
11
10
10
10

Feels Like (°C)

12
13
13
13
13
12
13
12
13
12
12
11
12
12
11
11
11
11
11
10
11
11
12
11

Dew Point (°C)

12
12
13
13
13
12
13
12
13
12
12
12
12
12
11
11
11
11
10
10
10
9
9
9

Relative Humidity (%)

98
96
98
98
100
100
100
100
100
98
98
100
100
98
98
98
98
98
96
95
95
91
93
91

Pressure (mb)

1016
1016
1017
1016
1016
1016
1015
1014
1014
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

325
325
325
325
325
327
329
329
333
336
337
342
344
348
348
357
367
369
368
364
357
354
354
357

Monday 27

Waxing Gibbous 83%

14:46

03:25

05 Bad
06 Bad
07 OK
08 Good
09 Good
10 OK
11 OK
12 Bad
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:30, Set: 18:53, Transit: 12:12. Moon - Rise: 14:46, Set: 03:25. Civil Dark: 19:19 - 05:04. Nautical Dark: 19:51 - 04:31. Astro Dark: 20:23 - 03:59

Total Clouds (% Sky Obscured)

49
49
21
13
15
28
21
67
39
38
72
89
80
100
100
100
100
99
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

9
10
13
11
12
25
21
28
21
11
17
72
54
67
20
17
26
30
16
11
5
9
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
26
39
38
25
5
5
0
0
0
0
2
27
82
96
100
90
96

High Clouds (% Sky Obscured)

49
23
2
0
0
0
0
39
1
38
72
68
80
100
100
100
100
96
100
96
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
0
0
0
9
3
12
13
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
4
4
4
4
4
5
5
5
5
5
4
4
3
3
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

10
10
12
15
16
18
18
19
20
20
20
19
17
16
14
13
12
12
12
12
12
12
12
11

Feels Like (°C)

11
11
13
17
18
19
19
20
20
21
21
20
18
18
14
12
12
11
12
12
12
12
11
11

Dew Point (°C)

9
9
10
11
11
10
10
10
11
12
13
12
13
13
11
10
10
9
9
10
10
10
10
9

Relative Humidity (%)

91
91
89
80
70
60
57
54
57
59
63
66
76
83
80
84
84
83
83
84
87
87
87
88

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

356
356
355
357
353
350
348
344
341
339
337
334
332
329
329
329
330
329
327
325
323
320
317
316

Tuesday 28

Waxing Gibbous 90%

15:45

03:50

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:29, Set: 18:54, Transit: 12:11. Moon - Rise: 15:45, Set: 03:50. Civil Dark: 19:20 - 05:03. Nautical Dark: 19:51 - 04:30. Astro Dark: 20:24 - 03:57

Total Clouds (% Sky Obscured)

96
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
9
17
14
15
15
17
16
17
11
30
48
54
16
57
36
60

Medium Clouds (% Sky Obscured)

71
81
35
34
79
90
47
55
58
54
57
83
79
92
97
100
99
97
95
96
98
100
99
95

High Clouds (% Sky Obscured)

96
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
91
83
88
95
95
97
99
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
2
2
1
6
9
6
8
9
7
8
7
6
17
21
25
38
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
6
6
6
7
7
8
7
6
5
6
6
7
7
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

11
11
13
16
17
18
19
20
20
19
19
18
16
16
15
14
13
13
13
12
13
12
13
12

Feels Like (°C)

10
11
13
16
17
19
18
19
20
19
19
18
17
17
15
13
13
13
12
11
12
12
12
11

Dew Point (°C)

9
9
10
11
10
9
8
8
9
9
8
9
12
12
11
10
9
9
8
8
8
9
9
9

Relative Humidity (%)

88
87
82
73
64
54
48
45
47
50
49
56
74
79
79
78
75
75
74
75
75
77
80
84

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

315
317
317
318
317
318
316
315
313
311
310
309
310
312
312
310
309
307
306
306
306
306
305
306

Wednesday 29

Waxing Gibbous 96%

16:44

04:16

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:28, Set: 18:55, Transit: 12:11. Moon - Rise: 16:44, Set: 04:16. Civil Dark: 19:21 - 05:02. Nautical Dark: 19:52 - 04:29. Astro Dark: 20:25 - 03:56

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90

Low Clouds (% Sky Obscured)

65
64
71
75
76
78
62
74
25
26
17
18
15
15
11
13
11
9
10
7
4
0
0
0

Medium Clouds (% Sky Obscured)

97
98
99
100
95
90
89
100
100
100
100
100
100
100
100
100
99
99
99
98
96
85
72
56

High Clouds (% Sky Obscured)

98
99
71
100
100
78
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

42
54
52
53
51
57
63
71
85
92
95
95
95
95
95
95
95
82
44
50
34
1
1
0

Precipitation Amount (mm)

0
0.3
0.2
0.2
0.2
0.3
0.3
0.3
0.4
0.4
0.8
1.5
2
1.7
1.5
1.3
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
5
5
6
6
6
7
7
8
7
7
6
4
3
3
3
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

11
11
11
11
11
12
12
13
12
13
13
12
11
11
10
9
9
9
9
9
8
8
8
7

Feels Like (°C)

11
10
11
11
11
12
12
13
11
12
11
9
10
9
8
7
7
7
7
7
7
7
7
5

Dew Point (°C)

10
10
10
10
10
10
10
8
9
5
5
5
6
7
6
5
5
4
3
3
3
3
3
3

Relative Humidity (%)

92
93
95
95
95
88
87
72
77
59
59
64
70
76
78
78
77
73
69
65
68
70
71
74

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1014
1015
1015
1015
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1015

Ozone (du)

308
308
310
311
311
312
315
317
318
321
321
321
322
323
325
324
325
325
326
326
327
327
327
329

Thursday 30

Waxing Gibbous 99%

17:42

04:44

05 Bad
06 Bad
07 OK
08 Good
09 Good
10 Good
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 05:27, Set: 18:55, Transit: 12:11. Moon - Rise: 17:42, Set: 04:44. Civil Dark: 19:22 - 05:01. Nautical Dark: 19:53 - 04:28. Astro Dark: 20:26 - 03:55

Total Clouds (% Sky Obscured)

85
59
35
12
14
16
19
16
12
12
11
11
8
6
4
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

49
33
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
59
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
7
8
9
10
10
10
10
9
8
7
6
4
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

7
7
8
10
12
13
14
15
15
15
15
14
14
12
11
9
8
7
7
7
7
7
7
7

Feels Like (°C)

5
5
5
5
4
13
13
13
13
13
13
13
13
12
12
11
12
5
6
6
6
6
7
7

Dew Point (°C)

3
3
3
3
2
2
2
2
1
1
1
2
3
4
4
4
3
2
1
1
1
1
2
2

Relative Humidity (%)

75
76
68
58
51
47
42
39
38
37
37
42
49
57
60
67
71
69
65
63
63
65
66
68

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1014
1014
1014
1015
1016
1017
1017
1017
1018
1017
1017
1017
1018

Ozone (du)

332
334
335
337
338
341
344
348
349
351
353
354
356
358
365
372
379
378
378
378
379
380
380
378

Friday 1

Waxing Gibbous 100%

18:41

No Set

05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:26, Set: 18:56, Transit: 12:11. Moon - Rise: 18:41, Set: No Set. Civil Dark: 19:23 - 04:59. Nautical Dark: 19:54 - 04:27. Astro Dark: 20:27 - 03:53

Total Clouds (% Sky Obscured)

0
0
0
0
1
1
2
28
54
80
83
86
94
92
92
90
87
85
84
76
67
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
6
3
3
2
2
3
4
3
2
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
16
20
21
22

High Clouds (% Sky Obscured)

0
0
0
0
1
1
1
28
54
80
83
86
94
91
83
74
73
71
70
56
41
31

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
3
2
3
3
4
4
4
5
6
5
4
4
2
3
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

7
7
10
13
15
17
18
19
19
19
20
18
17
15
14
13
12
12
11
10
10
10

Feels Like (°C)

7
7
7
7
7
18
18
18
19
20
20
19
18
18
17
16
15
10
9
9
9
9

Dew Point (°C)

2
2
3
4
4
6
6
6
6
6
7
7
8
9
8
7
7
7
7
7
7
7

Relative Humidity (%)

69
70
62
55
48
46
43
41
41
42
42
49
56
65
66
66
67
72
76
78
80
80

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

376
374
372
371
369
369
369
368
367
365
364
363
362
361
360
360
359
358
357
356
353
351

Forecast for Yufuin, Yufu-shi, Japan (33.31,131.39)

Generated: 25/04/26 05:10:40. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+9.00