Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

18:05

05:27

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 07:04, Set: 21:06, Transit: 14:05. Moon - Rise: 18:05, Set: 05:27. Civil Dark: 21:37 - 06:33. Nautical Dark: 22:13 - 05:55. Astro Dark: 22:55 - 05:13

Total Clouds (% Sky Obscured)

100
100
100
99
88
96
100
99
94
94
100
100
100
100
100
100
100
100
95
94
100
100
99
100

Low Clouds (% Sky Obscured)

89
85
63
33
29
39
83
78
72
77
75
80
79
66
68
62
78
80
60
66
92
98
98
86

Medium Clouds (% Sky Obscured)

100
100
100
96
81
85
69
91
71
62
70
100
72
100
98
96
80
70
39
23
81
95
99
100

High Clouds (% Sky Obscured)

100
100
96
92
59
66
75
24
32
24
53
69
84
100
100
100
100
100
65
65
80
86
55
50

ISS Passover

Visibility (miles)

1
5
7
7
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
3
6

Fog (%)

0
0
0
0
6
14
32
47
88
95
73
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
63
59
28
14
8
6
13
14
24
19
16
35
17
4
20
29
23
25
43
30
8
21

Precipitation Amount (mm)

0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
14
14
14
13
13
13
13
13
13
14
15
15
15
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

98
100
98
96
96
96
96
98
98
98
96
96
95
92
85
75
70
73
77
77
81
92
96
98

Pressure (mb)

1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

331
330
331
332
334
332
330
331
331
330
330
330
329
329
330
330
330
331
331
331
331
330
331
331

Tuesday 28

Waxing Gibbous 93%

19:11

05:46

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 07:02, Set: 21:07, Transit: 14:05. Moon - Rise: 19:11, Set: 05:46. Civil Dark: 21:38 - 06:31. Nautical Dark: 22:15 - 05:53. Astro Dark: 22:56 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
96
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
96
98
90
80
82
91
94
92
92
67
19
21
45
9
11
4
31
51
53
36
6
16
10

Medium Clouds (% Sky Obscured)

100
100
94
100
99
99
93
89
100
99
99
98
59
69
20
83
100
100
100
100
100
98
92
97

High Clouds (% Sky Obscured)

45
53
99
9
62
95
60
69
100
100
100
100
85
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

2
0
0
0
1
9
9
9
6
9
9
9
9
9
9
9
9
9
8
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
Light Rain
Light Rain
None
None
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

41
68
68
62
49
66
64
75
53
36
23
19
30
19
15
12
23
43
59
50
33
27
26
36

Precipitation Amount (mm)

0
0.4
0.4
0
0
0.6
0
0.4
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

1
0
0
0
0
0
0
0
0
0
0
0
0
2
1
6
7
7
10
4
2
2
3
3

Chance of Frost

Temperature (°C)

14
14
14
14
14
13
13
13
13
13
14
14
16
18
19
22
23
23
22
20
19
19
19
17

Feels Like (°C)

14
14
14
14
14
13
13
14
13
13
13
14
16
18
19
20
20
21
19
19
19
19
19
16

Dew Point (°C)

13
13
14
14
13
13
13
13
13
13
13
13
13
11
12
9
9
10
12
16
16
15
15
15

Relative Humidity (%)

98
98
98
100
98
98
98
96
96
96
95
92
85
62
61
43
42
42
53
78
82
80
81
86

Pressure (mb)

1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1008
1008
1008
1008
1009

Ozone (du)

331
331
331
331
331
332
332
332
333
333
334
336
337
338
341
343
343
343
343
344
344
343
346
344

Wednesday 29

Waxing Gibbous 97%

20:16

06:05

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

Sun - Rise: 07:01, Set: 21:08, Transit: 14:05. Moon - Rise: 20:16, Set: 06:05. Civil Dark: 21:39 - 06:30. Nautical Dark: 22:16 - 05:52. Astro Dark: 22:58 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
96
58
100
100
100
100
79
76
76
23
73
80
63
28
53
74
54
47
30
38
44

Low Clouds (% Sky Obscured)

14
0
0
0
0
0
23
33
5
0
0
2
23
56
64
49
28
53
61
47
43
30
26
17

Medium Clouds (% Sky Obscured)

97
100
90
87
52
69
71
77
100
68
64
61
21
29
44
43
6
0
0
0
0
0
3
6

High Clouds (% Sky Obscured)

100
100
100
79
57
100
99
100
54
60
55
0
0
0
0
0
0
0
0
0
0
4
14
26

ISS Passover

Visibility (miles)

9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
7
9
7
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

24
15
10
31
21
32
40
36
37
48
45
37
23
50
62
59
54
44
25
9
19
8
6
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
3
3
3
3
2
2
2
2
2
1
1
2
2
4
5
7
7
6
5
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
14
15
14
14
13
13
13
13
14
15
14
14
15
15
15
15
15
14
14
14
14

Relative Humidity (%)

87
87
87
90
95
93
93
92
92
90
92
86
80
71
68
71
72
71
75
78
76
78
82
96

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1012
1012
1013
1013
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1018

Ozone (du)

344
345
350
348
351
354
356
358
358
362
366
373
378
379
376
368
359
356
355
354
351
352
350
349

Thursday 30

Waxing Gibbous 99%

21:23

06:27

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 07:00, Set: 21:09, Transit: 14:04. Moon - Rise: 21:23, Set: 06:27. Civil Dark: 21:41 - 06:28. Nautical Dark: 22:18 - 05:50. Astro Dark: 23:00 - 05:07

Total Clouds (% Sky Obscured)

50
52
45
81
95
98
100
100
100
99
98
96
93
91
93
100
100
79
90
100
100
100
95
89

Low Clouds (% Sky Obscured)

8
19
30
42
43
44
46
45
44
42
28
14
0
13
26
34
35
34
33
26
31
33
36
37

Medium Clouds (% Sky Obscured)

10
14
20
31
40
42
43
41
44
42
44
46
57
44
61
49
72
49
62
60
56
98
68
25

High Clouds (% Sky Obscured)

28
27
23
59
85
92
100
100
99
98
85
65
43
56
65
100
100
79
90
100
100
100
83
67

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
3
2
8
13
14
39
65
55
46
31
45
60
72
61
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0.3
0.3
0
0.5
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
12
12
12
12
13
15
17
20
22
23
24
24
24
24
23
22
20
19

Feels Like (°C)

16
15
15
14
12
11
11
11
11
11
12
15
18
20
21
22
22
22
23
23
22
22
21
18

Dew Point (°C)

13
13
13
12
11
11
11
11
12
11
12
12
13
13
12
12
13
12
11
10
11
14
15
14

Relative Humidity (%)

96
98
98
98
96
96
96
96
96
95
93
84
77
64
54
51
49
49
44
43
45
60
69
73

Pressure (mb)

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

Ozone (du)

350
351
351
350
350
349
350
350
351
351
350
349
348
348
351
360
358
356
355
355
356
357
358
358

Friday 1

Full Moon 100%

No Rise

06:52

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:58, Set: 21:10, Transit: 14:04. Moon - Rise: No Rise, Set: 06:52. Civil Dark: 21:42 - 06:27. Nautical Dark: 22:19 - 05:48. Astro Dark: 23:02 - 05:05

Total Clouds (% Sky Obscured)

81
87
93
100
100
100
86
88
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
73
84
95
87
69
54
54
66
73
75
78
81
69
60
51
61
71
85
83
81
80
82
84

Medium Clouds (% Sky Obscured)

76
12
70
69
77
86
56
80
65
60
60
60
45
45
46
48
68
78
93
97
98
99
99
100

High Clouds (% Sky Obscured)

50
63
80
100
100
75
81
80
85
85
86
86
86
97
100
100
100
100
100
73
49
24
28
28

ISS Passover

Visibility (miles)

1
0
1
1
1
9
3
8
9
4
2
7
7
5
4
2
2
2
2
2
2
2
1
1

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

Precipitation Probability (%)

95
95
75
41
33
51
42
48
46
45
58
72
89
95
92
60
85
73
81
94
95
95
95
92

Precipitation Amount (mm)

0.4
0.6
0
0
0
0.2
0
0
0
0
0.2
0.3
0.5
0.7
0.6
0
0.3
0.2
0.5
0.8
0.9
1
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
95
95
98
96
98
98
98
96
96
96
93
92
87
87
85
83
87
92
95
96

Pressure (mb)

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

Ozone (du)

360
365
368
372
377
382
386
380
372
368
366
362
362
359
358
358
357
357
356
356
356
355
354
355

Saturday 2

Waning Gibbous 98%

22:28

07:23

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:57, Set: 21:12, Transit: 14:04. Moon - Rise: 22:28, Set: 07:23. Civil Dark: 21:43 - 06:25. Nautical Dark: 22:21 - 05:47. Astro Dark: 23:03 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
98
95
93
92
92
92
91
94
96
98
98
97
96
95
94
94
95
97

Low Clouds (% Sky Obscured)

87
90
91
93
93
96
98
90
83
75
76
76
76
76
78
79
77
76
74
75
76
77
80
84

Medium Clouds (% Sky Obscured)

100
100
99
99
98
98
98
95
93
92
92
92
91
94
94
92
85
84
84
82
81
79
82
84

High Clouds (% Sky Obscured)

28
39
37
35
55
75
90
86
83
73
76
74
69
73
80
92
89
88
88
84
77
67
46
25

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

92
95
95
85
86
87
79
77
76
76
76
77
80
81
85
90
95
95
95
95
83
52
44
39

Precipitation Amount (mm)

0.6
0.8
0.6
0.4
0.5
0.5
0.3
0.4
0.4
0.4
0.4
0.5
0.6
0.6
0.7
0.9
0.9
0.9
1
0.7
0.5
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
13
14
14
15
15
15
15
15
15
15
15
15
14

Relative Humidity (%)

96
96
98
98
96
96
98
100
98
98
98
96
96
95
93
92
90
93
95
98
96
96
96
96

Pressure (mb)

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

Ozone (du)

356
357
357
358
358
358
358
358
358
358
357
359
361
363
364
364
365
366
366
367
369
371
373
370

Sunday 3

Waning Gibbous 95%

23:32

08:00

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:56, Set: 21:13, Transit: 14:04. Moon - Rise: 23:32, Set: 08:00. Civil Dark: 21:44 - 06:24. Nautical Dark: 22:22 - 05:45. Astro Dark: 23:05 - 05:01

Total Clouds (% Sky Obscured)

98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
86
82
79
84
90
94
90
86
83
83
82
75
72
73
72
72
71
69
75
77
79

Medium Clouds (% Sky Obscured)

87
87
87
86
79
72
68
80
91
100
100
100
100
97
95
93
95
97
99
98
97
98

High Clouds (% Sky Obscured)

4
28
52
76
79
84
90
93
96
99
100
100
100
100
100
100
100
100
100
96
92
80

ISS Passover

Visibility (miles)

1
0
1
3
4
6
7
9
9
9
9
7
5
3
2
1
0
3
6
9
6
3

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

Precipitation Probability (%)

38
43
43
42
57
67
70
94
95
95
95
95
95
95
95
95
95
87
54
78
95
95

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.3
0.6
1
0.8
1.6
1.8
1.1
1.5
1.3
1.1
0.8
0.4
0
0.3
0.5
1

Wind Speed/Direction (mph)

1
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
1
0
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
13
13
13
13
13
13
13
13
13
13
14
14
14
15
15
15
15
15
15
14

Relative Humidity (%)

96
98
98
100
100
100
98
98
98
96
96
96
96
96
96
98
100
98
98
96
96
98

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1010
1010

Ozone (du)

368
365
364
363
362
361
361
361
361
362
362
362
362
362
362
363
364
364
364
365
365
365

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

Generated: 27/04/26 22:02:13. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00