Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

No Rise

18:53

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 OK
23 OK
00 OK
01 Bad
02 Bad

Sun - Rise: 07:20, Set: 19:46, Transit: 13:33. Moon - Rise: No Rise, Set: 18:53. Civil Dark: 20:20 - 06:46. Nautical Dark: 21:00 - 06:05. Astro Dark: 21:43 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
98
100
95
100
100
97
92
99
90
91
84
76
86
82
76
95
21
45
40
54
57

Low Clouds (% Sky Obscured)

100
95
100
97
90
95
100
85
90
87
82
85
86
73
41
39
48
26
24
10
34
13
26
29

Medium Clouds (% Sky Obscured)

59
53
60
46
55
45
51
54
47
42
46
25
20
6
8
14
14
5
4
0
2
2
8
0

High Clouds (% Sky Obscured)

6
3
1
0
0
0
0
0
0
0
0
0
0
24
39
81
71
76
85
5
9
15
20
20

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 (%)

7
0
0
4
8
10
10
11
21
4
8
0
0
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)

15
14
13
13
11
11
11
11
11
12
13
13
14
14
13
12
12
11
10
9
8
8
8
7

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
17
18
18
19
20
20
21
21
21
21
20
19
18
18
17
17
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
90
92
90
90
90
88
89
88
84
82
70
70
70
71
74
76
77
79
82
85
89
92

Pressure (mb)

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

Ozone (du)

262
263
264
264
264
262
260
258
258
257
257
256
256
256
256
256
256
257
257
257
256
255
256
255

Friday 19

Waning Crescent 6%

04:14

19:06

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

Sun - Rise: 07:21, Set: 19:44, Transit: 13:32. Moon - Rise: 04:14, Set: 19:06. Civil Dark: 20:18 - 06:47. Nautical Dark: 20:58 - 06:07. Astro Dark: 21:40 - 05:25

Total Clouds (% Sky Obscured)

87
66
81
90
82
60
34
59
16
85
100
100
87
67
59
100
31
94
79
4
59
11
19
80

Low Clouds (% Sky Obscured)

32
29
27
27
28
16
2
22
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
0
0
0
5
3
3
0
0
0
0
0
0
0
0
0
0
0
2
2
53
8
9
32

High Clouds (% Sky Obscured)

63
35
64
79
53
26
14
18
4
73
100
100
81
55
48
100
17
94
79
1
2
2
9
71

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)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
16
19
21
22
24
25
26
26
26
25
23
21
20
19
18
18
18
17

Feels Like (°C)

14
14
14
14
14
14
16
18
20
23
23
24
24
25
25
25
23
20
19
19
18
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
95
92
83
72
66
60
57
52
44
43
46
55
62
64
63
64
66
64
66
68

Pressure (mb)

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

Ozone (du)

256
257
257
257
256
256
257
256
256
256
256
256
255
255
255
255
256
257
257
256
255
254
254
253

Saturday 20

Waning Crescent 2%

05:33

19:17

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

Sun - Rise: 07:23, Set: 19:41, Transit: 13:32. Moon - Rise: 05:33, Set: 19:17. Civil Dark: 20:15 - 06:49. Nautical Dark: 20:55 - 06:09. Astro Dark: 21:38 - 05:27

Total Clouds (% Sky Obscured)

19
59
76
97
100
100
87
100
94
100
100
100
71
74
78
59
100
100
100
100
97
93
90
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
38
77
83
82
91
87
82
77
65

Medium Clouds (% Sky Obscured)

3
45
73
85
87
45
19
68
37
72
46
75
71
71
68
59
92
95
41
55
42
40
62
58

High Clouds (% Sky Obscured)

19
32
32
94
100
100
76
87
80
100
100
100
71
74
68
35
100
100
100
100
85
86
83
85

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
3
0
0
0
4
4
9
11
3
28
41
68
89
65
53
70
88
95
88
69
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.2
0.4
0.7
0.8
0.5
0.2
0

Wind Speed/Direction (mph)

7
7
7
6
7
7
7
9
10
12
11
12
11
14
11
7
8
6
6
6
5
5
5
6

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
19
21
23
25
26
26
27
27
25
23
22
21
20
19
18
18
18
18

Feels Like (°C)

17
17
16
15
16
16
18
20
21
23
24
24
26
24
23
23
22
22
20
19
18
18
18
18

Dew Point (°C)

12
11
11
11
12
12
13
14
12
13
12
12
13
16
20
21
21
21
20
19
18
18
17
17

Relative Humidity (%)

70
69
69
69
72
71
70
63
51
46
42
41
40
52
74
87
95
96
95
96
96
95
93
93

Pressure (mb)

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

Ozone (du)

253
253
252
252
252
252
251
251
251
251
250
250
250
250
251
252
254
254
255
256
256
256
256
257

Sunday 21

New Moon 0%

06:49

19:26

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
01 Bad
02 Bad

Sun - Rise: 07:24, Set: 19:39, Transit: 13:32. Moon - Rise: 06:49, Set: 19:26. Civil Dark: 20:13 - 06:51. Nautical Dark: 20:53 - 06:11. Astro Dark: 21:35 - 05:29

Total Clouds (% Sky Obscured)

83
78
90
95
100
89
77
66
72
83
94
90
93
86
81
81
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
34
38
64
69
61
58
54
56
61
62
63
66
75
69
67
61
43
23
7
18
48
59
59

Medium Clouds (% Sky Obscured)

39
26
23
61
65
66
63
64
72
73
36
41
50
50
55
60
62
100
100
100
100
100
100
82

High Clouds (% Sky Obscured)

59
38
87
92
100
76
43
14
12
15
18
45
73
86
81
81
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
3
2
2
3
4
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
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
17
32
95
95
95
95
95
46
26
21
6
1
1
2
2
0
1
1
0
5
24
26
56

Precipitation Amount (mm)

0
0
0
0.7
2.8
1.5
1.6
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
9
8
11
9
10
11
13
12
14
16
15
14
13
11
9
6
5
4
2
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
16
16
16
16
16
16
16
15
15
15
14
14
14
14
12
12
12
12
12
12
12

Dew Point (°C)

17
16
16
16
16
16
16
16
16
15
15
13
9
9
9
9
9
9
9
9
8
9
9
9

Relative Humidity (%)

96
96
98
96
96
98
96
96
95
93
89
74
57
57
60
64
69
74
75
77
75
76
77
79

Pressure (mb)

1009
1008
1008
1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

258
258
258
259
261
263
264
264
264
265
265
267
269
270
271
272
273
273
274
274
275
275
275
275

Monday 22

Waxing Crescent 1%

08:03

19:35

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 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:26, Set: 19:37, Transit: 13:31. Moon - Rise: 08:03, Set: 19:35. Civil Dark: 20:10 - 06:52. Nautical Dark: 20:50 - 06:12. Astro Dark: 21:32 - 05:31

Total Clouds (% Sky Obscured)

100
100
85
64
38
45
56
69
71
73
75
70
67
62
51
35
25
32
35
43
60
74
89
81

Low Clouds (% Sky Obscured)

55
52
47
36
30
36
42
47
52
57
62
59
55
50
40
28
19
14
6
0
12
24
38
44

Medium Clouds (% Sky Obscured)

60
40
35
35
35
43
46
59
33
25
38
40
47
62
51
35
25
32
35
43
51
60
71
57

High Clouds (% Sky Obscured)

100
100
67
33
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
6
9
9
9
9
9
9
9
9
9
9
9
8
7
7
6
6
6
5
4
6
8
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
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 (%)

67
37
29
7
1
4
6
4
15
8
8
22
26
28
32
38
44
42
38
31
26
22
21
18

Precipitation Amount (mm)

0.3
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
3
2
3
4
4
5
6
7
7
7
8
8
9
7
6
6
6
5
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
93
95
95
95
95
95
93
92
92
90
89
83
78
74
79
84
90
92
93
95
93
95
93

Pressure (mb)

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

Ozone (du)

275
276
277
279
280
283
285
285
285
287
287
290
292
294
296
298
300
302
304
307
309
310
311
311

Tuesday 23

Waxing Crescent 3%

09:17

19:45

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 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:28, Set: 19:34, Transit: 13:31. Moon - Rise: 09:17, Set: 19:45. Civil Dark: 20:08 - 06:54. Nautical Dark: 20:48 - 06:14. Astro Dark: 21:30 - 05:33

Total Clouds (% Sky Obscured)

74
68
62
51
43
50
57
64
75
86
97
97
96
91
77
64
52
50
44
52
56
60
60
65

Low Clouds (% Sky Obscured)

50
60
55
50
43
33
13
6
13
20
28
31
35
40
50
59
52
50
44
52
56
56
59
58

Medium Clouds (% Sky Obscured)

42
24
22
21
19
24
27
29
37
54
72
65
57
51
44
33
29
33
36
35
40
45
50
50

High Clouds (% Sky Obscured)

0
0
0
0
0
4
10
18
37
57
77
72
76
90
77
64
52
50
44
52
56
60
60
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
8
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

14
6
7
6
3
10
14
17
27
33
38
38
36
32
51
64
77
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
1
1.4
1.2
1
0.9
1.5

Wind Speed/Direction (mph)

7
6
6
6
6
6
7
9
10
10
11
11
11
11
11
10
9
7
8
8
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
88
87
84
84
77
72
67
67
66
66
65
64
64
70
76
84
85
85
87
88
88
91

Pressure (mb)

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

Ozone (du)

311
311
311
312
313
313
312
311
310
311
311
312
314
316
318
320
322
323
323
323
322
322
321
320

Wednesday 24

Waxing Crescent 7%

10:30

19:56

Sun - Rise: 07:29, Set: 19:32, Transit: 13:31. Moon - Rise: 10:30, Set: 19:56. Civil Dark: 20:06 - 06:56. Nautical Dark: 20:45 - 06:16. Astro Dark: 21:27 - 05:34

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 Kerkelanden, Gemeente Hilversum, Netherlands (52.22,5.15)

Generated: 18/09/25 03:49:47. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00