Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:16

04:48

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

Sun - Rise: 06:18, Set: 20:35, Transit: 13:26. Moon - Rise: 16:16, Set: 04:48. Civil Dark: 21:08 - 05:43. Nautical Dark: 21:50 - 05:01. Astro Dark: 22:37 - 04:13

Total Clouds (% Sky Obscured)

2
5
17
28
9
44
13
19
36
22
41
37
54
53
43
48
84
100
97
100
100
100
100
100

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
1
1

Medium Clouds (% Sky Obscured)

0
0
4
14
2
17
2
3
2
2
3
3
0
0
0
2
49
2
0
0
40
50
57
47

High Clouds (% Sky Obscured)

2
5
17
17
7
44
13
19
36
22
41
31
54
53
43
48
84
100
91
100
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
0
0
0
0
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

4
5
7
12
15
17
19
20
21
22
22
22
21
20
17
14
12
10
10
9
8
8
8
8

Feels Like (°C)

4
5
6
10
14
16
16
18
19
19
20
19
21
19
16
13
11
9
8
7
7
6
6
6

Dew Point (°C)

4
5
5
7
7
7
6
5
5
4
4
4
6
11
12
11
10
9
9
8
7
6
7
6

Relative Humidity (%)

94
96
84
71
60
50
43
37
33
31
30
31
35
57
72
86
90
93
93
93
91
90
93
91

Pressure (mb)

1022
1022
1022
1021
1021
1020
1020
1019
1018
1018
1017
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

371
370
370
366
364
362
363
364
363
363
365
364
365
367
369
369
369
368
369
373
374
375
375
374

Tuesday 28

Waxing Gibbous 92%

17:26

05:03

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
05 Bad

Sun - Rise: 06:17, Set: 20:36, Transit: 13:26. Moon - Rise: 17:26, Set: 05:03. Civil Dark: 21:10 - 05:41. Nautical Dark: 21:52 - 04:59. Astro Dark: 22:40 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
1
1
10
1
1
1
2
1
1
1
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

100
96
63
46
100
100
100
100
97
90
90
89
96
100
100
100
100
100
100
100
100
100
100
98

High Clouds (% Sky Obscured)

100
100
100
100
93
88
99
100
100
100
100
100
100
61
100
100
100
100
100
93
90
50
42
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
1
2
2
3
3
4
5
7
7
7
8
8
6
9
12
16
24
33
35
42

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)

1
2
1
2
3
3
3
4
5
6
7
8
7
7
6
5
4
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

7
8
9
12
15
16
17
18
19
19
20
20
19
18
17
15
14
13
12
11
10
10
9
9

Feels Like (°C)

6
6
8
10
13
13
15
16
17
17
17
17
17
16
14
13
12
11
10
10
9
8
8
7

Dew Point (°C)

6
6
6
8
8
7
8
7
8
8
8
9
10
10
10
10
10
9
9
9
8
8
7
7

Relative Humidity (%)

93
88
81
72
62
56
52
48
48
48
46
50
53
59
66
71
78
80
83
84
85
87
87
88

Pressure (mb)

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

Ozone (du)

375
377
377
377
377
376
376
375
375
375
375
372
371
371
371
372
372
374
376
376
377
378
379
379

Wednesday 29

Waxing Gibbous 97%

18:36

05:19

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 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:15, Set: 20:37, Transit: 13:26. Moon - Rise: 18:36, Set: 05:19. Civil Dark: 21:11 - 05:39. Nautical Dark: 21:54 - 04:57. Astro Dark: 22:42 - 04:08

Total Clouds (% Sky Obscured)

100
100
94
92
79
100
73
82
74
94
60
67
24
12
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

100
100
94
62
49
37
23
30
21
9
4
6
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
64
50
58
54
100
61
82
68
82
60
67
24
12
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 (%)

47
37
18
4
3
3
2
4
4
4
4
4
4
2
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)

3
4
6
7
9
8
9
10
11
11
12
12
12
12
11
10
10
9
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

9
9
10
11
12
13
15
17
18
19
19
19
19
17
15
12
11
10
8
7
6
6
5
4

Feels Like (°C)

6
7
8
7
8
10
12
15
14
15
14
16
16
14
12
10
9
8
7
6
5
5
4
3

Dew Point (°C)

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

Relative Humidity (%)

90
88
78
71
66
60
54
48
43
40
37
38
43
50
56
56
55
58
63
66
67
66
71
73

Pressure (mb)

1018
1018
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1017
1018
1019
1020
1020
1021
1021
1021
1022
1022
1023

Ozone (du)

379
380
380
381
384
385
386
389
392
397
400
403
408
409
405
405
404
402
401
400
398
396
395
394

Thursday 30

Waxing Gibbous 99%

19:45

05:37

06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
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
05 Good

Sun - Rise: 06:13, Set: 20:39, Transit: 13:26. Moon - Rise: 19:45, Set: 05:37. Civil Dark: 21:13 - 05:38. Nautical Dark: 21:55 - 04:55. Astro Dark: 22:44 - 04:05

Total 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

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)

0
0
0
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)

0
0
0
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
1
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)

8
8
9
9
10
11
11
12
12
12
13
14
14
13
12
11
10
8
7
6
4
4
3
3

Chance of Frost

Temperature (°C)

4
4
5
7
9
11
13
16
17
18
19
19
18
16
14
12
10
9
7
6
5
4
2
1

Feels Like (°C)

2
2
3
5
7
9
12
14
16
17
17
17
15
14
12
11
9
8
6
5
4
3
2
1

Dew Point (°C)

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

Relative Humidity (%)

72
71
63
58
53
48
43
41
40
38
36
35
37
42
50
60
67
72
73
72
75
76
77
78

Pressure (mb)

1023
1024
1024
1024
1023
1023
1022
1021
1021
1020
1020
1019
1019
1020
1021
1022
1023
1023
1023
1024
1024
1025
1025
1025

Ozone (du)

392
390
389
389
388
389
389
388
386
386
386
385
384
384
383
383
384
384
384
383
382
382
382
382

Friday 1

Full Moon 100%

20:55

05:59

06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
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 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:12, Set: 20:40, Transit: 13:26. Moon - Rise: 20:55, Set: 05:59. Civil Dark: 21:14 - 05:36. Nautical Dark: 21:57 - 04:53. Astro Dark: 22:46 - 04:03

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
16
30
44
56
68
82
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
23
35
40
45
55
46

Medium 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
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
6
8
17
24
36
14

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
1
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)

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

Chance of Frost

Temperature (°C)

2
3
5
8
11
14
16
18
20
20
21
21
20
19
17
14
11
8
7
6
4
4
4
4

Feels Like (°C)

2
3
5
8
12
16
17
19
19
19
19
20
20
19
18
16
13
12
11
9
8
4
4
5

Dew Point (°C)

-1
-1
-1
0
2
3
4
5
3
1
1
2
3
8
9
8
6
5
4
4
3
3
3
3

Relative Humidity (%)

80
77
65
57
51
47
44
40
34
28
26
27
32
51
62
67
72
78
84
86
91
93
93
93

Pressure (mb)

1026
1026
1026
1025
1025
1024
1023
1022
1022
1021
1021
1020
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

383
383
383
383
383
384
385
385
386
388
388
386
383
382
382
382
383
383
382
381
380
379
379
379

Saturday 2

Waning Gibbous 98%

22:05

05:59

06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 06:10, Set: 20:41, Transit: 13:26. Moon - Rise: 22:05, Set: 05:59. Civil Dark: 21:16 - 05:34. Nautical Dark: 21:59 - 04:51. Astro Dark: 22:49 - 04:00

Total Clouds (% Sky Obscured)

73
66
43
37
27
28
28
29
52
78
100
100
100
100
100
99
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
26
19
9
0
0
1
2
3
4
6
6
7
8
10
13
16
31
47
63
63
66
71
78

Medium Clouds (% Sky Obscured)

19
20
18
12
8
8
12
19
19
13
10
32
53
70
61
56
51
62
70
79
70
63
52
51

High Clouds (% Sky Obscured)

24
45
43
37
27
28
28
29
52
78
100
100
100
100
92
83
77
85
91
98
99
99
99
92

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
1
1
0
2
3
3
7
9
8
21
33
34
38
32
9
14
12
4
5
4
2
9

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)

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

Chance of Frost

Temperature (°C)

6
7
9
12
15
18
20
22
23
23
23
22
20
19
17
16
14
13
12
12
12
12
11
11

Feels Like (°C)

5
5
5
10
11
13
14
15
16
24
23
22
22
23
22
15
14
14
13
12
11
10
10
10

Dew Point (°C)

4
5
6
7
7
8
8
7
7
8
8
8
10
12
14
14
13
12
11
11
11
11
11
11

Relative Humidity (%)

90
85
82
69
58
50
45
39
36
37
39
40
50
63
82
86
92
96
96
98
98
96
96
95

Pressure (mb)

1022
1022
1022
1021
1021
1020
1019
1018
1017
1016
1016
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

379
378
378
376
375
373
372
372
371
370
369
368
367
366
364
364
364
364
365
366
368
368
368
368

Sunday 3

Waning Gibbous 95%

23:11

06:26

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

Sun - Rise: 06:09, Set: 20:43, Transit: 13:26. Moon - Rise: 23:11, Set: 06:26. Civil Dark: 21:17 - 05:32. Nautical Dark: 22:01 - 04:49. Astro Dark: 22:51 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
72
74
70
67
47
26
6
9
13
16
18
20
22
40
56
75
73
72
60

Medium Clouds (% Sky Obscured)

52
59
68
78
87
76
65
50
60
74
90
93
97
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

85
78
88
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

11
10
19
24
26
34
42
47
49
52
56
60
63
67
72
79
81
70
58
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
12
13
14
15
15
16
20
20
19
19
19
19
14
14
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

96
95
93
83
73
66
63
61
58
62
68
71
76
81
83
89
92
96
96
96

Pressure (mb)

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

Ozone (du)

370
371
372
371
371
371
370
370
369
369
368
368
368
368
368
369
370
370
371
372

Forecast for Wangen an der Aare, Oberaargau, Switzerland (47.24,7.66)

Generated: 27/04/26 05:44:13. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00