Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 86%

18:54

12:08

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

Sun - Rise: 08:37, Set: 16:26, Transit: 12:31. Moon - Rise: 18:54, Set: 12:08. Civil Dark: 17:07 - 07:56. Nautical Dark: 17:51 - 07:12. Astro Dark: 18:32 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
100
60
91
62
66
75
84
55
70
79
86
100
100
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
89
80
59
55
37
60
66
58
58
49
57
64
73
50
56
60
76
81
65
71
70
69
62

Medium Clouds (% Sky Obscured)

100
86
39
51
2
13
0
0
0
0
1
33
65
52
100
100
97
100
100
100
100
100
88
79

High Clouds (% Sky Obscured)

100
97
100
100
10
83
15
8
46
59
26
18
46
25
100
23
19
21
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
2
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4

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

Precipitation Probability (%)

95
95
26
1
0
0
0
0
0
0
0
0
0
0
0
1
23
42
46
95
95
70
55
55

Precipitation Amount (mm)

0.5
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.6
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
89
87
86
86
86
86
87
87
90
91
87
85
88
87
86
84
84
84
87
90
90

Pressure (mb)

1001
1000
1001
1001
1002
1003
1004
1006
1007
1008
1009
1009
1009
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

277
278
279
281
281
283
289
288
291
293
291
293
295
296
293
295
299
299
301
307
313
317
317
318

Monday 8

Waning Gibbous 77%

20:25

12:27

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

Sun - Rise: 08:38, Set: 16:26, Transit: 12:32. Moon - Rise: 20:25, Set: 12:27. Civil Dark: 17:07 - 07:57. Nautical Dark: 17:50 - 07:13. Astro Dark: 18:32 - 06:32

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
95
94
100

Low Clouds (% Sky Obscured)

72
70
65
77
68
70
75
74
89
91
89
56
50
49
55
57
59
67
80
89
63
34
38
38

Medium Clouds (% Sky Obscured)

99
100
93
75
71
85
60
100
64
61
87
94
98
95
100
95
100
86
96
87
87
66
53
42

High Clouds (% Sky Obscured)

24
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
36
88
98
100
100
95
94
100

ISS Passover

Visibility (miles)

5
2
4
9
7
8
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

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

Precipitation Probability (%)

71
64
41
30
35
29
20
14
14
70
76
67
42
52
67
53
54
61
42
56
42
1
0
0

Precipitation Amount (mm)

0.2
0.3
0
0
0
0
0
0
0
0.4
0.7
0.3
0
0.2
0.4
0
0.2
0.3
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
10
10
10
9
8
8
8
9
9
9
9
9
8
9
8
8
7
7
7
8

Relative Humidity (%)

90
93
95
95
95
95
90
84
81
79
83
86
86
86
85
86
81
81
77
76
73
73
73
75

Pressure (mb)

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

Ozone (du)

321
320
320
322
320
318
317
316
312
308
308
307
307
303
302
301
301
297
294
293
290
287
285
281

Tuesday 9

Waning Gibbous 67%

21:51

12:41

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

Sun - Rise: 08:39, Set: 16:25, Transit: 12:32. Moon - Rise: 21:51, Set: 12:41. Civil Dark: 17:06 - 07:58. Nautical Dark: 17:50 - 07:14. Astro Dark: 18:32 - 06:33

Total Clouds (% Sky Obscured)

95
99
91
100
99
99
97
99
97
96
88
99
100
100
100
100
100
100
100
98
100
99
99
98

Low Clouds (% Sky Obscured)

42
69
80
93
86
60
80
83
79
76
69
76
79
77
56
57
55
53
60
67
70
73
69
72

Medium Clouds (% Sky Obscured)

56
69
59
80
77
80
90
92
87
88
44
52
100
99
100
38
38
43
41
43
49
92
94
95

High Clouds (% Sky Obscured)

24
74
6
5
5
5
1
0
1
5
0
3
75
100
99
100
97
100
100
91
100
93
83
75

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
3
14
18
24
43
37
18
10
2
1
4
6
2
1
1
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)

15
14
15
15
15
15
16
16
17
18
21
23
24
21
16
14
13
13
13
13
13
13
12
12

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
12
12
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
75
75
75
72
73
72
73
72
71
71
77
76
76
77
76
77
76
79
83
86
87
84

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1012
1013
1014
1015
1015
1016
1016
1016
1017
1017
1018

Ozone (du)

276
275
277
278
280
279
278
277
276
275
275
276
277
277
276
276
277
278
279
282
283
283
285
288

Wednesday 10

Waning Gibbous 57%

23:13

12:52

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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

Sun - Rise: 08:40, Set: 16:25, Transit: 12:33. Moon - Rise: 23:13, Set: 12:52. Civil Dark: 17:06 - 07:59. Nautical Dark: 17:50 - 07:15. Astro Dark: 18:32 - 06:33

Total Clouds (% Sky Obscured)

94
90
86
83
80
79
67
50
42
45
46
47
50
54
57
59
63
70
66
65
62
76
88
100

Low Clouds (% Sky Obscured)

73
70
59
57
59
57
54
48
42
45
46
47
50
54
57
59
63
68
60
49
39
41
40
42

Medium Clouds (% Sky Obscured)

83
27
6
10
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
36
50

High Clouds (% Sky Obscured)

69
62
50
25
25
35
12
3
0
0
0
0
0
0
0
0
1
3
4
10
10
37
68
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 (%)

3
6
5
14
12
2
2
1
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)

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

Chance of Frost

Temperature (°C)

11
10
10
10
10
9
9
9
8
8
8
7
7
7
7
7
8
9
9
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
88
91
91
95
96
96
96
98
98
96
98
96
98
91
87
84
81
85
88
91
91

Pressure (mb)

1018
1019
1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020

Ozone (du)

291
293
294
298
300
301
301
301
304
305
305
305
304
303
303
302
302
301
303
303
301
301
302
303

Thursday 11

Third Quarter 46%

00:29

13:01

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

Sun - Rise: 08:41, Set: 16:25, Transit: 12:33. Moon - Rise: 00:29, Set: 13:01. Civil Dark: 17:06 - 08:00. Nautical Dark: 17:51 - 07:16. Astro Dark: 18:32 - 06:34

Total Clouds (% Sky Obscured)

93
87
79
85
91
98
97
96
68
82
85
96
96
98
100
99
99
98
99
99
99
94
90
85

Low Clouds (% Sky Obscured)

44
45
45
48
51
54
50
48
41
55
57
65
95
97
100
97
71
69
57
54
43
47
51
55

Medium Clouds (% Sky Obscured)

70
72
55
60
76
90
88
85
56
43
27
19
3
0
1
1
6
12
19
22
25
20
20
15

High Clouds (% Sky Obscured)

67
33
0
0
0
0
15
31
46
64
82
96
13
23
49
62
73
83
86
86
88
82
70
61

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
1
7
11
6
3
0
0
0
0
2
0
0
3
7
14
30
41
41

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)

7
7
8
8
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
5
5
5
5
5
7
5
5
4
5
4
5
5
5
5
7
7
7
7
7

Dew Point (°C)

6
6
6
6
6
6
6
7
7
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

91
91
90
90
93
93
93
94
93
94
96
94
94
94
93
93
91
88
84
85
87
87
88
88

Pressure (mb)

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

Ozone (du)

303
305
306
306
306
308
310
321
317
312
309
306
305
304
304
303
302
302
301
301
301
301
301
301

Friday 12

Waning Crescent 36%

01:43

13:10

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
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

Sun - Rise: 08:42, Set: 16:25, Transit: 12:34. Moon - Rise: 01:43, Set: 13:10. Civil Dark: 17:07 - 08:01. Nautical Dark: 17:51 - 07:17. Astro Dark: 18:32 - 06:35

Total Clouds (% Sky Obscured)

87
86
85
73
55
38
34
42
40
44
51
52
58
62
66
75
81
91
89
89
86
89
88
83

Low Clouds (% Sky Obscured)

42
31
26
18
10
1
4
7
9
12
14
17
19
23
26
20
13
5
11
19
29
26
23
20

Medium Clouds (% Sky Obscured)

10
10
10
7
6
1
2
3
4
15
23
36
51
62
66
75
74
75
71
67
64
63
60
46

High Clouds (% Sky Obscured)

62
63
66
67
55
38
34
28
10
7
7
4
4
5
5
10
9
9
23
32
46
62
83
83

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 (%)

37
26
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
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)

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

Chance of Frost

Temperature (°C)

8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
8
9
9
9
8
8
8
7

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

88
90
88
90
90
90
90
90
90
90
90
91
91
93
93
93
90
85
82
84
87
88
90
91

Pressure (mb)

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

Ozone (du)

302
301
301
301
301
302
302
304
307
309
310
311
312
314
316
318
319
319
320
321
322
323
323
323

Saturday 13

Waning Crescent 27%

02:56

13:20

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
11 Bad
12 Bad

Sun - Rise: 08:43, Set: 16:25, Transit: 12:34. Moon - Rise: 02:56, Set: 13:20. Civil Dark: 17:07 - 08:02. Nautical Dark: 17:51 - 07:18. Astro Dark: 18:32 - 06:36

Total Clouds (% Sky Obscured)

78
85
97
96
95
94
87
80
76
86
94
100
99
99
99
93
88
83

Low Clouds (% Sky Obscured)

15
10
5
23
35
42
43
44
45
49
56
65
43
22
0
0
0
0

Medium Clouds (% Sky Obscured)

40
34
37
35
33
30
33
40
52
55
58
61
73
84
96
82
68
54

High Clouds (% Sky Obscured)

71
42
11
35
57
80
79
79
76
86
94
100
99
99
95
84
73
64

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
4
6
10
14
14
13
11
2
8
12
15
19
23
20
26
24
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
8
8
8
8
7
7
7
7
7
7
7
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

91
91
93
91
91
91
91
93
93
94
93
93
93
91
93
93
90
87

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1018
1018

Ozone (du)

323
323
323
323
320
317
313
313
313
313
316
319
322
327
332
336
335
333

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

Generated: 07/12/25 18:40:36. Forecast: 07/12/25 to 13/12/25. Timezone: UTC+1.00