Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 6%

04:16

19:09

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

Sun - Rise: 07:23, Set: 19:46, Transit: 13:35. Moon - Rise: 04:16, Set: 19:09. Civil Dark: 20:20 - 06:49. Nautical Dark: 21:00 - 06:09. Astro Dark: 21:43 - 05:26

Total Clouds (% Sky Obscured)

94
92
90
65
72
79
83
69
30
7
20
13
8
34
96
97
92
98
81
60
44
32
55
5

Low Clouds (% Sky Obscured)

62
55
64
58
67
65
70
56
17
5
16
6
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
1
0
0
3
10
8
5
7
3
0
0
0
0
0
0
0
15
30
0
8
12
55
3

High Clouds (% Sky Obscured)

6
5
1
35
14
15
10
20
20
2
9
13
8
34
94
95
92
97
76
60
34
10
3
5

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
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
17
17
17
18
20
21
23
24
24
25
25
24
23
21
20
19
19
19

Feels Like (°C)

17
17
17
17
16
15
15
16
16
17
19
20
22
23
23
23
24
24
22
20
19
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

83
83
89
89
89
90
90
90
86
78
70
65
59
57
55
50
47
48
54
58
60
59
56
54

Pressure (mb)

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

Ozone (du)

258
257
256
255
253
252
253
254
255
256
256
256
255
254
253
254
254
254
254
254
254
253
253
253

Saturday 20

Waning Crescent 2%

05:35

19:19

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:25, Set: 19:44, Transit: 13:34. Moon - Rise: 05:35, Set: 19:19. Civil Dark: 20:18 - 06:51. Nautical Dark: 20:58 - 06:11. Astro Dark: 21:40 - 05:28

Total Clouds (% Sky Obscured)

31
94
95
84
98
100
96
100
100
97
100
100
100
100
92
100
100
100
91
100
100
100
100
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
11
36
48
77
91
54
58
31
46
59
79
71

Medium Clouds (% Sky Obscured)

18
68
93
82
82
75
87
67
84
92
79
100
100
100
88
70
54
50
37
54
89
100
99
88

High Clouds (% Sky Obscured)

8
89
54
51
76
95
71
99
100
89
100
100
100
100
9
99
100
100
55
100
100
100
21
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
9
9
9
6
9
9
9
9
9
9
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

None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Light Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

0
0
2
2
0
0
0
0
1
6
36
31
37
95
95
74
74
48
4
2
4
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.4
0.5
0
0
0
0
1.1
4.1
1

Wind Speed/Direction (mph)

9
9
8
8
7
8
9
7
11
10
12
13
13
19
13
11
11
12
12
12
11
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
58
60
62
63
61
65
67
65
59
53
54
64
64
78
81
93
92
92
93
93
95
92
96

Pressure (mb)

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

Ozone (du)

253
251
251
252
252
252
252
253
253
253
252
252
252
251
252
253
255
258
257
256
258
260
259
260

Sunday 21

New Moon 0%

06:51

19:28

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:27, Set: 19:41, Transit: 13:34. Moon - Rise: 06:51, Set: 19:28. Civil Dark: 20:15 - 06:53. Nautical Dark: 20:55 - 06:12. Astro Dark: 21:38 - 05:30

Total Clouds (% Sky Obscured)

62
100
80
100
100
100
100
80
71
81
77
87
76
79
95
90
86
84
67
66
52
53
59
56

Low Clouds (% Sky Obscured)

46
77
73
82
68
61
67
70
60
60
59
63
57
68
90
52
30
31
35
41
44
48
49
49

Medium Clouds (% Sky Obscured)

10
1
0
0
0
17
41
14
14
30
34
82
76
79
88
90
86
84
21
19
24
23
17
19

High Clouds (% Sky Obscured)

18
100
39
100
100
100
100
15
0
10
15
24
50
55
55
65
65
70
67
66
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 (%)

16
16
10
3
12
5
17
13
5
9
22
15
13
10
21
30
21
2
1
2
7
8
17
32

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)

17
20
20
18
19
18
18
17
17
17
17
17
14
12
11
10
10
9
10
7
7
6
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
86
86
82
75
72
69
66
65
65
65
66
65
66
63
64
68
71
71
74
72
69
67
68

Pressure (mb)

1008
1008
1008
1009
1009
1010
1011
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1020

Ozone (du)

262
266
269
269
268
269
271
271
272
273
274
274
275
276
277
277
279
281
285
289
291
291
290
290

Monday 22

Waxing Crescent 1%

08:06

19:37

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

Sun - Rise: 07:28, Set: 19:39, Transit: 13:34. Moon - Rise: 08:06, Set: 19:37. Civil Dark: 20:13 - 06:54. Nautical Dark: 20:53 - 06:14. Astro Dark: 21:35 - 05:32

Total Clouds (% Sky Obscured)

72
67
62
55
42
44
35
48
60
73
70
61
44
50
53
54
40
27
11
11
10
9
6
3

Low Clouds (% Sky Obscured)

50
48
46
47
38
43
35
47
51
55
57
54
44
49
53
54
40
27
11
11
10
9
6
3

Medium Clouds (% Sky Obscured)

38
28
56
47
8
4
4
9
12
19
16
9
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
4
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
48
34
16
27
19
6
9
10
12
13
21
9
10
5
2
3
3
2
4
10
5
10
21

Precipitation Amount (mm)

0
0.3
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
8
8
8
8
8
7
7
7
7
8
9
10
11
11
12
12
11
8
7
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
9
8
8
8
9
9
10
11
11
11
12
13
12
13
11
12
12
11
10
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

75
80
76
75
73
76
71
64
62
60
56
51
51
53
53
51
51
55
62
65
67
68
73
74

Pressure (mb)

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

Ozone (du)

291
292
293
297
301
303
306
308
309
310
310
310
311
312
314
316
316
314
310
307
305
304
303
302

Tuesday 23

Waxing Crescent 3%

09:19

19:46

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

Sun - Rise: 07:30, Set: 19:36, Transit: 13:33. Moon - Rise: 09:19, Set: 19:46. Civil Dark: 20:10 - 06:56. Nautical Dark: 20:50 - 06:16. Astro Dark: 21:32 - 05:34

Total Clouds (% Sky Obscured)

1
21
37
59
58
45
37
33
35
42
53
49
50
40
33
27
51
76
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

0
0
0
0
11
23
34
33
35
41
53
49
47
38
33
27
27
28
29
34
40
45
35
24

Medium Clouds (% Sky Obscured)

0
13
28
45
33
18
4
3
2
1
0
0
0
0
0
0
8
13
20
20
30
35
39
42

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
67
100
100
100
100
100
95

ISS Passover

Visibility (miles)

9
9
9
8
8
9
9
9
9
9
7
8
9
9
9
9
8
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 (%)

11
19
26
25
21
8
16
7
13
27
29
29
21
24
24
23
24
24
25
22
19
14
23
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)

4
4
5
5
5
5
6
6
6
7
9
10
11
13
13
12
12
11
11
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
78
76
74
73
72
67
61
63
71
64
61
63
66
68
70
74
76
79
81
86
81

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

300
299
299
300
300
300
299
299
300
300
301
302
305
308
310
311
313
311
308
305
305
304
304
304

Wednesday 24

Waxing Crescent 7%

10:33

19:58

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:32, Set: 19:34, Transit: 13:33. Moon - Rise: 10:33, Set: 19:58. Civil Dark: 20:08 - 06:58. Nautical Dark: 20:48 - 06:18. Astro Dark: 21:30 - 05:36

Total Clouds (% Sky Obscured)

98
98
99
100
100
99
99
95
90
82
84
83
82
86
86
86
81
81
77
76
75
64
60
55

Low Clouds (% Sky Obscured)

14
21
31
41
53
65
77
79
83
82
82
77
73
78
79
80
68
62
52
50
48
49
52
49

Medium Clouds (% Sky Obscured)

46
52
53
55
55
55
60
60
50
45
45
45
50
51
48
44
48
51
55
53
47
45
39
27

High Clouds (% Sky Obscured)

95
92
94
90
85
76
75
63
61
64
75
74
77
81
86
86
81
81
77
67
33
0
0
1

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
Very Light Rain
Light Rain
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
None

Precipitation Probability (%)

37
47
60
71
77
81
86
83
77
68
53
38
14
15
18
9
13
12
7
38
39
14
25
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
8
8
8
8
8
10
11
13
13
13
13
12
12
11
11
11
11
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
9
10
10
10
8
8
8
8
9
9
11
11
11
11
11
12
9
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

77
76
72
70
67
68
69
68
65
61
58
52
48
43
43
43
43
50
59
67
67
70
71
72

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026

Ozone (du)

303
303
304
305
306
306
306
306
306
307
307
308
308
309
308
308
307
307
307
307
306
305
305
304

Thursday 25

Waxing Crescent 13%

11:48

20:12

Sun - Rise: 07:33, Set: 19:32, Transit: 13:32. Moon - Rise: 11:48, Set: 20:12. Civil Dark: 20:06 - 06:59. Nautical Dark: 20:45 - 06:20. Astro Dark: 21:27 - 05:38

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 19/09/25 01:47:28. Forecast: 19/09/25 to 25/09/25. Timezone: UTC+2.00