Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:58

05:27

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:04, Set: 21:05, Transit: 14:05. Moon - Rise: 16:58, Set: 05:27. Civil Dark: 21:35 - 06:33. Nautical Dark: 22:13 - 05:55. Astro Dark: 22:55 - 05:13

Total Clouds (% Sky Obscured)

99
100
98
77
77
66
74
90
100
99
100
91
100
100
100
100
100
100
72
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
77
78
70
77
66
74
76
68
64
64
66
67
59
54
42
36
34
55
75
96
90
69
70

Medium Clouds (% Sky Obscured)

2
1
4
28
27
22
49
87
100
88
66
90
100
45
62
82
73
50
55
97
99
100
96
97

High Clouds (% Sky Obscured)

2
4
2
5
52
52
55
66
100
94
100
61
99
100
100
99
96
100
50
93
47
32
32
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
7
7
8
2
2
6
7
7
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
20
35
58
63
76
76
68
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
1
13
25
35
36
45
44
41
48
58
55
44
54
43
32
15
12
14
19
31
31
31

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
4
6
7
7
6
6
4
4
2
1
1
0
4
2
0
0
0
0
0
0
0
0

Chance of Frost

Temperature (°C)

15
16
17
18
19
19
18
18
18
16
15
14
14
14
14
14
14
13
13
13
14
14
14
15

Feels Like (°C)

16
17
17
18
18
19
18
18
18
16
16
15
14
14
14
14
14
14
13
14
14
14
15
16

Dew Point (°C)

12
11
11
11
12
12
12
12
13
14
14
14
13
14
13
13
13
13
13
13
13
13
13
14

Relative Humidity (%)

82
73
67
63
63
64
66
70
76
85
90
95
96
96
96
96
96
98
98
98
96
96
95
92

Pressure (mb)

1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014

Ozone (du)

334
333
332
331
331
332
332
332
332
334
336
335
336
336
337
338
339
337
334
333
333
333
333
334

Tuesday 28

Waxing Gibbous 93%

18:05

05:46

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:02, Set: 21:06, Transit: 14:05. Moon - Rise: 18:05, Set: 05:46. Civil Dark: 21:37 - 06:31. Nautical Dark: 22:15 - 05:53. Astro Dark: 22:56 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
95
99
100
97
97
98
98
100
97
99
98

Low Clouds (% Sky Obscured)

57
57
62
72
57
56
66
78
76
98
100
95
95
90
86
78
56
55
58
68
64
29
50
12

Medium Clouds (% Sky Obscured)

92
99
76
94
96
95
76
55
100
100
100
95
97
67
70
93
79
68
82
83
73
69
78
77

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
72
100
66
57
25
64
70
70
72
72
100
47
57
97

ISS Passover

Visibility (miles)

9
9
9
9
9
5
5
5
7
0
0
1
1
1
4
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

63
19
14
18
33
49
58
70
90
87
75
61
76
65
55
41
21
19
13
20
9
10
14
16

Precipitation Amount (mm)

0.7
0
0
0
0
0.3
0.4
0.5
0.9
0.7
0.5
0.3
0.6
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

0
1
2
4
6
5
4
3
3
3
2
0
0
0
0
0
0
1
1
2
3
4
4
3

Chance of Frost

Temperature (°C)

16
17
18
19
19
18
18
17
17
16
15
14
14
14
14
14
14
13
13
13
13
13
13
14

Feels Like (°C)

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

Dew Point (°C)

14
13
12
12
12
14
14
14
15
15
14
14
14
13
13
13
13
13
12
12
12
11
11
12

Relative Humidity (%)

87
79
70
64
66
74
81
82
86
93
98
100
98
96
98
96
96
98
95
93
92
89
89
83

Pressure (mb)

1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

333
334
334
333
333
333
334
334
333
332
334
333
333
331
330
328
328
328
329
328
328
327
327
326

Wednesday 29

Waxing Gibbous 97%

19:11

06:05

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 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:01, Set: 21:07, Transit: 14:05. Moon - Rise: 19:11, Set: 06:05. Civil Dark: 21:38 - 06:30. Nautical Dark: 22:16 - 05:52. Astro Dark: 22:58 - 05:09

Total Clouds (% Sky Obscured)

100
99
100
94
100
100
100
100
100
100
97
100
100
100
44
36
94
32
25
25
20
75
30
52

Low Clouds (% Sky Obscured)

23
8
6
20
47
51
55
62
5
12
44
53
44
5
16
3
7
11
16
10
5
0
16
35

Medium Clouds (% Sky Obscured)

81
54
91
93
100
100
100
98
100
99
88
100
93
89
44
36
85
31
25
22
20
24
27
25

High Clouds (% Sky Obscured)

100
98
100
69
100
100
100
100
100
60
96
100
100
100
38
30
20
8
0
0
0
65
8
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
7
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
Very Light Rain
None
None
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
14
17
27
62
26
36
49
41
47
95
95
95
13
4
3
10
23
14
15
35
47
50
36

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0.3
0
0
0.6
0.7
0.8
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
4
5
7
10
4
4
2
0
2
0
3
4
3
3
3
3
2
1
1
1
1
0
0

Chance of Frost

Temperature (°C)

17
20
21
22
22
19
20
19
20
19
19
18
17
16
16
15
15
14
14
14
13
13
14
15

Feels Like (°C)

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

Dew Point (°C)

12
9
9
10
9
13
14
14
14
15
15
15
15
16
15
14
14
13
13
13
13
12
13
13

Relative Humidity (%)

68
49
46
45
45
69
69
73
68
75
81
83
89
95
96
93
93
93
95
93
95
95
93
90

Pressure (mb)

1008
1008
1009
1008
1008
1009
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1015

Ozone (du)

325
328
330
333
335
335
337
336
339
342
340
340
340
344
344
345
345
347
352
352
356
360
365
369

Thursday 30

Waxing Gibbous 99%

20:16

06:27

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

Sun - Rise: 07:00, Set: 21:08, Transit: 14:05. Moon - Rise: 20:16, Set: 06:27. Civil Dark: 21:39 - 06:28. Nautical Dark: 22:18 - 05:50. Astro Dark: 23:00 - 05:07

Total Clouds (% Sky Obscured)

57
78
81
84
83
85
68
72
58
38
26
20
21
27
31
45
92
85
77
85
92
100
96
91

Low Clouds (% Sky Obscured)

52
61
68
74
74
75
68
68
58
38
26
20
21
27
31
45
59
50
43
37
36
33
19
11

Medium Clouds (% Sky Obscured)

21
19
20
18
14
10
6
4
3
1
0
0
0
0
0
0
0
1
3
4
9
13
21
29

High Clouds (% Sky Obscured)

8
12
17
23
17
10
0
0
0
0
0
0
3
3
3
7
50
50
50
63
80
100
82
61

ISS Passover

Visibility (miles)

9
9
9
9
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
44
62
75
71
63
53
56
42
10
7
8
0
0
0
0
0
0
0
0
0
0
1
4

Precipitation Amount (mm)

0
0.2
0.5
0.7
0.6
0.3
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

0
1
2
4
4
5
6
6
5
3
2
2
0
1
3
3
2
1
3
2
2
1
1
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
18
18
18
19
18
19
17
18
19
17
17
15
14
14
14
11
10
10
10
10
11
13

Dew Point (°C)

14
14
13
14
14
14
14
14
13
13
13
14
14
12
12
12
12
11
11
10
10
10
10
11

Relative Humidity (%)

85
76
71
75
71
70
75
73
74
77
81
95
98
96
98
96
96
96
96
96
96
95
95
87

Pressure (mb)

1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

371
374
378
376
366
363
363
358
352
349
346
345
345
346
348
349
349
348
346
347
348
348
348
347

Friday 1

Full Moon 100%

21:23

06:52

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:58, Set: 21:09, Transit: 14:04. Moon - Rise: 21:23, Set: 06:52. Civil Dark: 21:41 - 06:27. Nautical Dark: 22:19 - 05:48. Astro Dark: 23:02 - 05:05

Total Clouds (% Sky Obscured)

86
85
85
86
77
66
58
70
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
13
23
24
32
31
32
26
23
25
0
5
15
29
40
45
45
50
45
44
38
32
28
34

Medium Clouds (% Sky Obscured)

39
35
24
26
48
44
55
61
68
73
79
76
74
67
58
46
36
19
3
15
24
37
25
14

High Clouds (% Sky Obscured)

38
48
55
66
56
47
38
56
78
100
100
100
100
100
100
100
89
74
46
48
57
76
81
87

ISS Passover

Visibility (miles)

9
9
9
6
2
2
3
3
3
0
0
0
0
0
0
0
0
1
2
3
3
3
3
5

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

Precipitation Probability (%)

4
7
16
37
52
57
64
64
67
64
77
77
79
78
73
64
58
51
29
35
40
44
38
28

Precipitation Amount (mm)

0
0
0
0.2
0.4
0.4
0.4
0.4
0.4
0.3
0.6
0.6
0.6
0.6
0.5
0.3
0.2
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

1
1
2
3
3
3
2
2
2
2
2
0
1
2
2
3
4
3
2
1
2
3
3
4

Chance of Frost

Temperature (°C)

16
18
19
20
20
19
19
20
19
18
17
18
17
16
16
16
16
16
15
15
15
15
15
16

Feels Like (°C)

15
18
19
19
20
20
20
21
19
18
17
18
17
17
17
17
17
16
16
15
15
16
15
16

Dew Point (°C)

12
13
13
15
17
18
18
18
18
17
17
17
17
16
16
16
16
15
15
14
15
15
15
15

Relative Humidity (%)

79
72
69
75
82
89
91
89
93
96
98
98
100
100
98
100
98
98
100
98
98
98
96
95

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

348
350
351
351
353
353
363
365
365
366
365
367
370
373
374
374
375
374
372
371
370
368
367
366

Saturday 2

Waning Gibbous 98%

22:28

07:23

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:57, Set: 21:10, Transit: 14:04. Moon - Rise: 22:28, Set: 07:23. Civil Dark: 21:42 - 06:25. Nautical Dark: 22:21 - 05:47. Astro Dark: 23:03 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
91
87
84
82

Low Clouds (% Sky Obscured)

40
39
39
34
38
49
54
57
63
68
71
71
70
62
52
41
41
40
40
31
21
14
13
14

Medium Clouds (% Sky Obscured)

3
9
16
26
39
51
57
71
85
100
100
100
100
100
100
100
100
100
100
87
76
68
59
58

High Clouds (% Sky Obscured)

90
93
96
97
98
99
100
100
100
100
100
100
100
100
100
100
79
57
36
25
14
3
3
4

ISS Passover

Visibility (miles)

7
9
7
4
1
1
1
0
0
0
0
1
2
4
6
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
21
27
29
48
61
71
73
74
74
68
59
41
50
51
42
47
49
42
37
30
12
20
23

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.4
0.4
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
6
6
6
6
5
4
3
2
2
2
1
0
0
1
2
2
1
1
1
1
2
2
1

Chance of Frost

Temperature (°C)

16
17
18
18
19
18
18
18
17
16
15
15
14
13
14
13
13
13
14
14
14
14
14
16

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
17
17
17
17
16
16
15
14
14
13
13
13
13
13
13
13
13
14
13
14

Relative Humidity (%)

95
92
90
90
90
92
93
95
95
95
96
96
98
98
98
96
98
96
96
96
95
96
95
87

Pressure (mb)

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

Ozone (du)

366
365
365
365
365
364
363
363
363
364
364
365
365
366
368
369
371
372
372
373
372
371
370
370

Sunday 3

Waning Gibbous 95%

23:32

08:00

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

Sun - Rise: 06:56, Set: 21:12, Transit: 14:04. Moon - Rise: 23:32, Set: 08:00. Civil Dark: 21:43 - 06:24. Nautical Dark: 22:22 - 05:45. Astro Dark: 23:05 - 05:01

Total Clouds (% Sky Obscured)

80
84
88
90
87
77
68
75
82
88
88
88
90
92
92
93

Low Clouds (% Sky Obscured)

13
23
30
32
28
23
19
21
19
17
31
49
65
56
46
38

Medium Clouds (% Sky Obscured)

57
59
56
58
54
54
51
53
56
60
68
76
88
84
79
73

High Clouds (% Sky Obscured)

5
17
31
44
35
23
10
31
51
69
62
51
50
54
62
63

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

24
41
58
70
67
65
61
70
80
91
91
91
84
76
65
43

Precipitation Amount (mm)

0
0
0.3
0.5
0.4
0.3
0.3
0.4
0.5
0.7
0.7
0.7
0.4
0.4
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
19
19
19
20
20
21
20
19
17
17
17
16
16
16

Feels Like (°C)

17
17
18
19
19
21
21
21
21
22
22
17
18
18
18
18

Dew Point (°C)

15
14
15
16
16
16
16
16
16
16
17
17
16
16
16
16

Relative Humidity (%)

82
75
76
78
80
77
75
71
78
86
95
96
98
98
96
96

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1012
1012
1012
1012
1012

Ozone (du)

369
369
368
367
366
365
364
363
363
362
362
363
363
364
363
361

Forecast for Atotxa, Gipuzkoa, Spain (43.32,-1.98)

Generated: 27/04/26 10:00:37. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00