Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 21

Waxing Gibbous 77%

17:59

01:56

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

Sun - Rise: 07:26, Set: 19:40, Transit: 13:32. Moon - Rise: 17:59, Set: 01:56. Civil Dark: 20:14 - 06:52. Nautical Dark: 20:54 - 06:12. Astro Dark: 21:37 - 05:30

Total Clouds (% Sky Obscured)

95
100
98
97
81
51
73
69
53
37
68
73
66
67
87
43
53
93
94
92
95
95
90
91

Low Clouds (% Sky Obscured)

33
34
31
36
34
41
59
59
39
37
57
56
65
66
71
27
41
88
89
84
83
86
75
70

Medium Clouds (% Sky Obscured)

27
6
11
5
3
3
61
47
13
37
68
73
9
8
18
20
21
19
22
15
31
27
18
15

High Clouds (% Sky Obscured)

95
87
83
74
51
20
23
15
20
9
5
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
2
31
46
29
16
2
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
1
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)

10
9
9
10
11
11
10
8
7
6
5
5
5
4
4
4
3
3
2
2
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
15
15
16
14
14
13
12
11
11
11
11
12
13
14
12
13
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

60
58
55
52
52
54
56
64
68
73
70
69
66
64
63
65
72
76
74
71
71
74
71
70

Pressure (mb)

1030
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1030

Ozone (du)

277
275
275
275
275
275
275
274
274
274
275
276
276
276
276
276
276
275
275
275
275
275
276
275

Tuesday 22

Waxing Gibbous 85%

18:18

03:13

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

Sun - Rise: 07:28, Set: 19:38, Transit: 13:32. Moon - Rise: 18:18, Set: 03:13. Civil Dark: 20:12 - 06:54. Nautical Dark: 20:52 - 06:14. Astro Dark: 21:34 - 05:32

Total Clouds (% Sky Obscured)

91
90
97
95
94
73
68
61
43
38
41
40
52
56
55
58
68
77
87
91
90
93
100
92

Low Clouds (% Sky Obscured)

72
66
94
90
92
71
66
58
42
38
30
32
36
35
19
21
23
31
32
36
44
42
34
38

Medium Clouds (% Sky Obscured)

15
13
7
6
1
0
0
0
0
0
6
4
4
6
10
10
12
13
17
19
16
16
20
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
1
1
2
13
18
43
71
65
25
35
28
30
35

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
20
37
46
50
72
88
93
82
53
25

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
1
1
3
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
68
68
69
71
71
72
77
83
90
93
93
93
93
93
93
95
93
93
93
93
87
83

Pressure (mb)

1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

275
274
273
274
274
275
276
276
276
274
275
276
278
278
280
281
280
279
280
281
282
282
282
282

Wednesday 23

Waxing Gibbous 92%

18:32

04:31

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
10 Bad

Sun - Rise: 07:29, Set: 19:35, Transit: 13:31. Moon - Rise: 18:32, Set: 04:31. Civil Dark: 20:09 - 06:55. Nautical Dark: 20:49 - 06:15. Astro Dark: 21:31 - 05:34

Total Clouds (% Sky Obscured)

89
84
77
88
92
95
75
92
74
83
81
56
56
93
100
50
36
35
47
55
87
75
58
71

Low Clouds (% Sky Obscured)

39
46
53
73
73
67
51
90
70
71
78
48
39
36
15
45
32
35
47
46
57
50
37
58

Medium Clouds (% Sky Obscured)

14
16
20
14
18
35
10
14
13
83
71
56
8
0
75
50
36
35
4
1
0
0
1
0

High Clouds (% Sky Obscured)

47
72
10
48
61
36
25
0
0
11
17
10
2
93
98
23
17
2
1
16
59
48
38
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
3
9
7
9
9
7
5
9
9
9
9
9
9
9

Fog (%)

6
2
1
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
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
30
38
30
8
10
16
33
68
95
90
40
35
34
46
60
49
34
24
16
8
19
24
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
5
7
6
6
8
8
8
9
11
8
7
7
6
10
14
14
14
14
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
66
58
56
59
65
64
68
72
86
93
93
93
92
93
95
93
90
90
92
90
89
90
85

Pressure (mb)

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

Ozone (du)

284
285
285
285
285
284
286
288
296
303
308
312
315
317
315
313
311
311
312
315
314
313
310
308

Thursday 24

Waxing Gibbous 96%

18:44

05:50

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

Sun - Rise: 07:31, Set: 19:33, Transit: 13:31. Moon - Rise: 18:44, Set: 05:50. Civil Dark: 20:07 - 06:57. Nautical Dark: 20:47 - 06:17. Astro Dark: 21:29 - 05:36

Total Clouds (% Sky Obscured)

83
91
84
77
73
63
69
71
71
60
50
21
45
55
63
75
90
100
86
69
37
24
28
22

Low Clouds (% Sky Obscured)

65
67
58
59
59
60
50
40
30
25
30
11
11
7
5
8
11
1
23
11
9
8
6
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

41
50
66
42
22
2
21
26
66
52
18
6
29
31
35
57
80
100
77
55
23
16
19
19

ISS Passover

Visibility (miles)

8
5
4
5
8
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

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

Precipitation Probability (%)

53
57
58
52
38
23
21
18
2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
87
86
89
90
89
89
89
89
89
87
92
90
92
90
90
90
91
90
90
88
84
74

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

307
305
304
302
299
297
296
295
293
291
291
291
290
290
289
288
287
285
284
283
283
283
282
283

Friday 25

Waxing Gibbous 99%

18:55

07:09

11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
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
10 Bad

Sun - Rise: 07:33, Set: 19:30, Transit: 13:31. Moon - Rise: 18:55, Set: 07:09. Civil Dark: 20:04 - 06:59. Nautical Dark: 20:44 - 06:19. Astro Dark: 21:26 - 05:37

Total Clouds (% Sky Obscured)

45
40
35
38
40
42
33
76
96
72
73
75
75
74
74
74
75
60
56
57
54
54
58
59

Low Clouds (% Sky Obscured)

1
2
0
2
5
8
5
3
0
10
19
27
34
38
37
37
29
29
24
23
21
20
21
27

Medium Clouds (% Sky Obscured)

3
8
35
38
40
42
6
60
35
1
0
0
9
13
19
16
7
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
35
25
25
25
25
26
68
95
72
73
75
67
46
22
49
74
60
56
57
54
54
40
38

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
4
7
9
36
31
23
17
9
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
63
59
58
59
59
58
60
68
75
80
82
80
80
80
83
84
84
84
84
85
85
76
70

Pressure (mb)

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

Ozone (du)

283
283
283
283
283
283
282
282
281
282
283
283
284
283
283
283
284
285
285
285
285
285
285
284

Saturday 26

Full Moon 100%

19:05

08:31

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

Sun - Rise: 07:34, Set: 19:28, Transit: 13:30. Moon - Rise: 19:05, Set: 08:31. Civil Dark: 20:02 - 07:01. Nautical Dark: 20:42 - 06:21. Astro Dark: 21:23 - 05:39

Total Clouds (% Sky Obscured)

68
77
86
66
46
23
20
17
14
10
5
1
9
18
26
51
75
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

19
11
0
8
14
18
16
14
12
8
4
0
0
0
0
3
5
9
9
10
11
7
4
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
9
18
26
46
61
75
67
63
56
46
45
42

High Clouds (% Sky Obscured)

54
69
82
58
33
7
5
4
2
1
1
0
5
10
15
41
68
95
96
97
98
98
98
99

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

Chance of Frost

Temperature (°C)

15
16
18
19
19
19
19
18
16
15
14
13
13
12
12
12
12
12
12
12
12
12
14
16

Feels Like (°C)

11
12
12
12
19
18
18
18
18
18
14
14
14
13
13
13
10
10
10
10
10
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

62
59
53
50
49
48
48
53
61
69
73
75
79
79
77
77
75
72
70
70
72
72
70
68

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

284
284
283
282
282
282
281
282
282
282
283
283
283
283
282
281
281
280
279
279
280
281
282
283

Sunday 27

Waning Gibbous 98%

19:17

09:56

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

Sun - Rise: 07:36, Set: 19:26, Transit: 13:30. Moon - Rise: 19:17, Set: 09:56. Civil Dark: 20:00 - 07:02. Nautical Dark: 20:39 - 06:22. Astro Dark: 21:21 - 05:41

Total Clouds (% Sky Obscured)

93
89
84
78
74
68
79
88
100
100
100
100
100
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

0
0
0
1
2
3
4
4
5
8
10
15
27
48
75
61
48
34
27
20
12

Medium Clouds (% Sky Obscured)

46
46
45
43
38
36
39
46
53
68
83
98
97
96
95
87
78
70
66
62
70

High Clouds (% Sky Obscured)

92
85
77
69
62
57
77
86
100
100
100
100
100
100
100
100
100
100
90
79
70

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
2
1
0
1
2
0
4
11
7
20
14
9
8
4
1
2
4
2

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
14
18
18
19
19
20
20
14
14
14
14
14
14
14
14
14
14
14

Dew Point (°C)

11
11
11
11
10
11
10
11
12
12
12
12
12
12
12
12
12
12
12
12
11

Relative Humidity (%)

66
64
61
59
59
59
58
64
72
79
79
80
82
82
82
83
82
82
80
83
84

Pressure (mb)

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

Ozone (du)

283
284
285
286
287
289
290
288
287
285
286
286
287
287
288
289
292
296
299
304
309

Forecast for Katwoude, Gemeente Waterland, Netherlands (52.47,5.07)

Generated: 21/09/26 11:30:36. Forecast: 21/09/26 to 27/09/26. Timezone: UTC+2.00