Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 97%

19:56

07:41

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

Sun - Rise: 07:15, Set: 18:24, Transit: 12:50. Moon - Rise: 19:56, Set: 07:41. Civil Dark: 18:58 - 06:41. Nautical Dark: 19:37 - 06:02. Astro Dark: 20:17 - 05:22

Total Clouds (% Sky Obscured)

10
6
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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)

2
2
1
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)

3
5
5
2
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
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)

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

Chance of Frost

Temperature (°C)

14
15
15
15
14
12
10
10
9
8
8
8
7
7
7
7
6
6
6
6
8
10
12
14

Feels Like (°C)

12
14
14
14
15
12
11
9
9
8
8
7
7
6
6
6
5
5
5
5
7
8
11
12

Dew Point (°C)

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

Relative Humidity (%)

67
66
66
67
74
80
84
85
87
87
87
87
87
87
88
88
87
88
86
85
79
73
65
60

Pressure (mb)

1027
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

415
414
412
408
405
403
403
403
405
404
403
402
402
402
402
403
404
405
407
408
409
412
414
413

Thursday 5

Waning Gibbous 93%

21:12

07:52

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

Sun - Rise: 07:12, Set: 18:26, Transit: 12:50. Moon - Rise: 21:12, Set: 07:52. Civil Dark: 19:00 - 06:39. Nautical Dark: 19:39 - 06:00. Astro Dark: 20:19 - 05:20

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
24
2
20
33
100
89
98
83
55
87
81
88
90

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
28
46
39
45
52
32
69
64
67
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
24
0
11
20
100
89
87
14
31
82
8
13
66

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)

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

Chance of Frost

Temperature (°C)

15
16
16
16
15
13
11
10
10
9
9
8
8
8
7
7
7
7
6
7
8
11
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
52
51
56
61
69
70
69
69
73
75
77
78
79
79
79
79
81
81
78
75
68
63
59

Pressure (mb)

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

Ozone (du)

412
409
405
403
400
398
403
403
400
397
396
396
395
395
393
393
393
394
393
394
393
391
388
385

Friday 6

Waning Gibbous 87%

22:28

08:04

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
11 Bad
12 Bad

Sun - Rise: 07:10, Set: 18:28, Transit: 12:50. Moon - Rise: 22:28, Set: 08:04. Civil Dark: 19:02 - 06:36. Nautical Dark: 19:41 - 05:57. Astro Dark: 20:21 - 05:17

Total Clouds (% Sky Obscured)

87
85
63
96
100
100
100
100
100
100
100
97
76
80
86
96
92
89
92
94
97
91
81
71

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)

65
63
49
72
75
82
99
100
100
100
100
97
76
80
65
81
44
46
73
82
85
70
44
33

High Clouds (% Sky Obscured)

16
8
1
5
100
98
100
100
100
100
100
83
33
53
46
71
24
27
21
31
30
42
55
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
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)

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

Chance of Frost

Temperature (°C)

15
16
17
17
16
15
13
13
12
11
10
10
10
9
9
8
8
7
7
8
9
11
13
14

Feels Like (°C)

14
15
16
18
16
14
13
11
10
9
8
9
8
7
7
6
6
5
5
6
7
8
10
13

Dew Point (°C)

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

Relative Humidity (%)

57
56
56
57
65
69
72
75
77
77
78
78
80
81
84
87
88
90
93
95
90
85
80
76

Pressure (mb)

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

Ozone (du)

382
380
376
374
374
373
373
375
376
378
378
377
376
378
379
380
379
378
378
380
381
381
380
379

Saturday 7

Waning Gibbous 79%

23:45

08:19

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

Sun - Rise: 07:08, Set: 18:30, Transit: 12:50. Moon - Rise: 23:45, Set: 08:19. Civil Dark: 19:03 - 06:34. Nautical Dark: 19:43 - 05:55. Astro Dark: 20:22 - 05:15

Total Clouds (% Sky Obscured)

83
94
100
94
87
79
62
46
26
18
9
10
11
16
17
10
8
12
20
20
25
9
3
2

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)

36
37
44
33
24
18
15
11
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

74
94
99
93
84
74
54
23
5
0
0
0
1
1
2
1
1
0
0
5
5
1
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 (%)

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)

6
6
6
7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6
7
7
7
8

Chance of Frost

Temperature (°C)

16
16
16
16
15
13
11
10
10
9
9
8
8
7
7
6
6
5
5
6
7
9
11
12

Feels Like (°C)

14
14
14
14
12
11
9
7
7
7
6
6
5
4
4
4
4
4
2
3
4
6
9
12

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
71
75
83
87
87
88
90
91
91
91
93
93
93
91
91
86
79
73
64
60
58

Pressure (mb)

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

Ozone (du)

377
377
376
375
375
376
377
377
376
377
378
380
381
382
384
385
385
386
385
385
384
385
387
388

Sunday 8

Waning Gibbous 71%

01:00

08:38

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

Sun - Rise: 07:06, Set: 18:32, Transit: 12:49. Moon - Rise: 01:00, Set: 08:38. Civil Dark: 19:05 - 06:32. Nautical Dark: 19:44 - 05:53. Astro Dark: 20:24 - 05:13

Total Clouds (% Sky Obscured)

1
0
0
9
19
29
25
20
13
17
20
23
43
58
75
76
68
60
47
31
13
26
38
51

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
18
13
6
0
8
16
24

Medium Clouds (% Sky Obscured)

0
0
0
7
14
21
18
14
9
11
12
13
24
27
22
11
10
5
2
1
1
3
11
17

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
3
5
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
53
52
52
60
66
69
71
73
74
75
78
81
82
85
87
88
90
91
87
83
79
71
67

Pressure (mb)

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

Ozone (du)

388
389
391
393
394
395
394
394
393
394
393
391
390
388
386
384
384
383
382
381
380
379
378
377

Monday 9

Waning Gibbous 61%

02:13

09:06

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

Sun - Rise: 07:03, Set: 18:33, Transit: 12:49. Moon - Rise: 02:13, Set: 09:06. Civil Dark: 19:07 - 06:30. Nautical Dark: 19:46 - 05:50. Astro Dark: 20:26 - 05:10

Total Clouds (% Sky Obscured)

57
67
72
68
69
74
72
75
79
70
57
42
43
46
49
39
28
19
35
49
64
65
63
64

Low Clouds (% Sky Obscured)

27
29
31
22
12
1
6
13
20
14
7
1
8
13
18
16
16
15
22
31
38
46
53
63

Medium Clouds (% Sky Obscured)

29
37
45
45
45
45
40
22
9
13
14
19
16
14
14
10
6
2
14
26
34
40
40
40

High Clouds (% Sky Obscured)

38
67
72
68
69
74
72
67
65
43
22
0
10
22
36
25
12
0
0
0
3
4
4
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
8
7
7
6

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 (%)

24
38
41
30
30
28
12
6
2
3
2
1
2
6
8
18
23
11
18
21
25
29
35
43

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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
14
13
12
11
11
10
10
10
9
9
9
8
8
8
8
9
10
11
11
12

Feels Like (°C)

11
16
16
15
15
16
16
12
11
12
11
11
11
9
9
9
8
9
9
8
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

61
57
55
53
58
63
70
72
74
76
77
80
81
82
85
87
88
91
91
91
88
85
86
86

Pressure (mb)

1023
1023
1023
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

376
375
374
373
375
377
379
380
382
384
384
384
384
383
383
382
382
382
382
380
379
377
377
377

Tuesday 10

Waning Gibbous 52%

03:19

09:44

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:01, Set: 18:35, Transit: 12:49. Moon - Rise: 03:19, Set: 09:44. Civil Dark: 19:09 - 06:27. Nautical Dark: 19:48 - 05:48. Astro Dark: 20:28 - 05:08

Total Clouds (% Sky Obscured)

65
64
62
51
32
15
13
14
10
28
45
60
52
48
46
45
44
40

Low Clouds (% Sky Obscured)

64
63
60
47
32
15
13
9
5
24
42
56
50
45
41
39
39
37

Medium Clouds (% Sky Obscured)

35
45
44
32
23
9
13
14
10
28
23
2
2
1
0
8
18
26

High Clouds (% Sky Obscured)

5
10
10
11
7
3
10
14
10
24
17
3
13
23
34
45
44
40

ISS Passover

Visibility (miles)

6
7
8
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 (%)

45
43
38
36
36
38
32
24
13
11
5
1
1
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

Wind Speed/Direction (mph)

13
12
11
11
8
6
4
3
3
2
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
81
80
83
86
88
90
91
93
93
93
93
94
93
94
93
93

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

377
378
379
380
380
380
380
378
377
376
373
371
368
367
365
364
365
366

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

Generated: 04/03/26 12:50:54. Forecast: 04/03/26 to 10/03/26. Timezone: UTC+1.00