Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waning Gibbous 63%

02:25

08:54

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

Sun - Rise: 06:37, Set: 18:55, Transit: 12:46. Moon - Rise: 02:25, Set: 08:54. Civil Dark: 19:27 - 06:04. Nautical Dark: 20:07 - 05:23. Astro Dark: 20:48 - 04:41

Total Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
15
13
1
0
6
3
22
5
9
26
72
100
92
89

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)

1
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
15
13
1
0
5
3
20
5
9
26
72
100
91
88

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)

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

Chance of Frost

Temperature (°C)

13
11
10
9
9
8
8
8
7
7
7
7
7
8
10
13
16
17
19
20
21
21
20
19

Feels Like (°C)

13
11
10
8
8
8
7
7
6
6
6
5
5
7
8
11
13
14
15
16
17
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

69
71
73
74
77
77
78
78
78
78
79
82
85
82
74
69
60
53
49
50
49
49
52
53

Pressure (mb)

1020
1020
1021
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1016
1016
1015
1014
1013
1012
1011
1010
1009
1009

Ozone (du)

346
345
344
344
342
338
335
335
336
336
337
336
335
337
336
337
338
339
341
340
339
339
339
338

Friday 21

Waning Gibbous 53%

03:28

09:41

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 OK

Sun - Rise: 06:35, Set: 18:56, Transit: 12:46. Moon - Rise: 03:28, Set: 09:41. Civil Dark: 19:28 - 06:01. Nautical Dark: 20:09 - 05:21. Astro Dark: 20:50 - 04:39

Total Clouds (% Sky Obscured)

100
100
95
100
100
100
100
100
100
100
100
100
100
100
99
87
100
100
100
98
53
43
29
24

Low Clouds (% Sky Obscured)

0
0
1
10
4
15
23
24
35
2
0
0
0
0
25
0
0
50
28
34
21
24
10
12

Medium Clouds (% Sky Obscured)

65
84
90
97
100
100
100
100
91
86
100
100
100
100
98
87
100
100
100
96
52
43
16
16

High Clouds (% Sky Obscured)

100
100
80
100
100
100
19
25
100
100
100
100
100
67
24
25
10
100
100
37
17
10
5
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
6
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
10
8
11
16
11
1
2
4
9
17
22
20
1
2
13
41
46
41
28
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
14
11
10
11
12
12
11
12
12
12
12
12
13
12
11
9
8
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
6
7
6
7
7
7
7
6
6
6
6
6
7
7
7
8
9
9
11
13
13
13

Relative Humidity (%)

52
54
54
57
58
62
65
70
70
68
72
73
73
73
71
68
64
61
61
60
72
86
85
86

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004
1003
1003
1003

Ozone (du)

338
339
340
342
343
343
343
344
344
344
347
350
350
352
353
353
352
351
349
348
346
344
342
339

Saturday 22

Third Quarter 42%

04:18

10:46

19 OK
20 Good
21 OK
22 OK
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: 06:33, Set: 18:58, Transit: 12:45. Moon - Rise: 04:18, Set: 10:46. Civil Dark: 19:30 - 05:59. Nautical Dark: 20:10 - 05:18. Astro Dark: 20:53 - 04:36

Total Clouds (% Sky Obscured)

9
9
5
30
63
94
100
87
100
93
87
90
52
64
59
82
72
89
92
97
99
96
80
85

Low Clouds (% Sky Obscured)

0
0
0
29
35
36
11
42
73
19
64
55
15
24
43
32
45
49
53
58
65
51
36
21

Medium Clouds (% Sky Obscured)

8
4
2
7
50
54
90
46
100
89
81
53
52
64
42
48
20
21
21
22
23
30
35
45

High Clouds (% Sky Obscured)

5
5
5
5
18
85
97
66
96
9
11
68
26
54
15
7
24
46
60
80
99
84
28
13

ISS Passover

Visibility (miles)

8
9
9
8
9
9
9
9
9
9
5
4
5
7
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
6
17
20
4
3
3
8
23
34
52
68
65
48
25
11
8
4
2
1
1
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
11
10
10
9
9
9
10
10
10
10
10
11
12
13
14
15
15
15
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
88
84
85
87
90
93
93
95
96
98
98
96
93
92
89
87
84
82
80
79
73
79

Pressure (mb)

1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1004
1004
1005
1005
1005
1005
1005
1005
1006
1006

Ozone (du)

338
339
338
335
332
332
332
332
331
331
331
330
330
329
330
329
330
331
330
330
330
329
328
326

Sunday 23

Waning Crescent 32%

04:54

12:04

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

Sun - Rise: 06:30, Set: N/A, Transit: 12:45. Moon - Rise: 04:54, Set: 12:04. Civil Dark: 19:32 - 05:56. Nautical Dark: 20:12 - 05:16. Astro Dark: 20:55 - 04:33

Total Clouds (% Sky Obscured)

87
81
75
62
44
25
25
29
30
29
28
35
27
23
15
22
29
34
61
80
100
94
80
58

Low Clouds (% Sky Obscured)

23
16
15
20
20
15
10
5
0
0
0
0
0
0
0
8
17
25
30
38
45
37
25
5

Medium Clouds (% Sky Obscured)

34
33
34
21
9
2
5
7
9
11
14
19
13
8
5
22
8
3
2
1
0
0
0
0

High Clouds (% Sky Obscured)

10
9
5
4
4
2
1
0
0
0
0
0
0
0
0
0
0
0
33
63
95
87
78
58

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
1
0
0
0
0
0
0
0
0
0
2
2
1
2
1
0
2
17
15
9
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
8
7
6
6
6
6
5
4
4
4
4
5
6
6
6
6
7
7
8
9
8
7

Relative Humidity (%)

83
81
81
82
81
82
82
82
79
78
78
79
81
81
77
70
62
57
57
60
66
71
74
76

Pressure (mb)

1007
1008
1008
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

325
325
326
326
326
327
327
326
326
327
328
328
329
330
330
331
333
335
338
339
344
348
348
343

Monday 24

Waning Crescent 22%

05:19

13:30

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: 06:28, Set: 19:00, Transit: 12:45. Moon - Rise: 05:19, Set: 13:30. Civil Dark: 19:34 - 05:54. Nautical Dark: 20:14 - 05:13. Astro Dark: 20:57 - 04:31

Total Clouds (% Sky Obscured)

60
94
100
100
100
100
100
100
100
100
100
100
98
97
95
97
98
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

32
73
100
100
100
100
99
99
98
79
62
44
93
85
78
62
48
44
59
65
69
64
57
49

Medium Clouds (% Sky Obscured)

7
15
22
16
8
0
23
47
63
59
55
50
0
0
0
7
20
35
39
34
33
29
25
15

High Clouds (% Sky Obscured)

50
27
4
4
3
3
29
54
75
86
93
100
38
46
56
64
72
80
80
75
75
45
50
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
1
3
3
1
5
7
1
8
9
10
11
8
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
82
85
84
84
81
82
84
85
87
88
86
82
76
73
68
61
56
56
57
58
60
62

Pressure (mb)

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

Ozone (du)

339
339
337
336
334
333
333
331
333
334
335
334
332
321
311
300
294
287
281
279
278
277
278
279

Tuesday 25

Waning Crescent 13%

05:38

14:59

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

Sun - Rise: 06:26, Set: 19:02, Transit: 12:44. Moon - Rise: 05:38, Set: 14:59. Civil Dark: 19:36 - 05:52. Nautical Dark: 20:16 - 05:11. Astro Dark: 20:59 - 04:28

Total Clouds (% Sky Obscured)

99
99
99
93
88
82
69
45
36
51
67
82
80
75
66
62
64
64
61
61
55
45
31
20

Low Clouds (% Sky Obscured)

62
76
98
87
72
56
48
39
29
40
59
79
80
75
66
62
64
64
61
61
55
45
31
20

Medium Clouds (% Sky Obscured)

15
20
15
10
5
0
0
0
0
0
0
0
0
0
0
6
10
16
19
28
39
45
31
20

High Clouds (% Sky Obscured)

70
65
70
50
25
0
0
1
0
0
0
1
2
3
4
9
9
10
15
15
15
15
10
15

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
18
19
21
19
9
7
4
1
4
2
0
0
0
0
0
1
0
0
1
0
2
2
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
0
1
1
1
2
2
2
2
3
3
3
4
4
4
5
5
5
5

Relative Humidity (%)

64
65
66
67
70
72
75
76
77
80
79
78
75
74
71
70
67
66
62
64
66
67
72
77

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

280
279
278
276
275
274
272
274
275
277
279
281
284
287
291
295
296
298
300
301
302
303
305
307

Wednesday 26

Waning Crescent 6%

05:53

16:29

19 OK
20 OK
21 Good
22 Good
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:23, Set: 19:03, Transit: 12:44. Moon - Rise: 05:53, Set: 16:29. Civil Dark: 19:37 - 05:49. Nautical Dark: 20:18 - 05:08. Astro Dark: 21:01 - 04:25

Total Clouds (% Sky Obscured)

20
20
15
15
15
21
20
15
10
29
48
67
59
52
44
48
49
49

Low Clouds (% Sky Obscured)

19
14
5
5
5
10
15
10
10
29
48
65
57
48
40
40
41
44

Medium Clouds (% Sky Obscured)

20
20
15
15
13
11
8
5
2
4
6
9
25
40
44
48
49
49

High Clouds (% Sky Obscured)

20
18
14
15
15
21
20
15
10
24
28
32
40
33
40
41
32
33

ISS Passover

Visibility (miles)

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

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 (%)

2
3
1
3
4
1
5
10
15
19
22
21
16
13
11
27
38
47

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)

7
6
6
6
5
5
5
5
5
6
6
7
8
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
84
84
85
88
90
93
94
96
94
93
91
90
88
88
88
90

Pressure (mb)

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

Ozone (du)

309
312
315
318
318
318
318
318
318
318
320
322
324
327
330
332
334
336

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 20/03/25 19:17:01. Forecast: 20/03/25 to 26/03/25. Timezone: UTC+1.00