Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 3

Waning Gibbous 96%

22:25

07:25

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 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:05, Set: 20:17, Transit: 13:42. Moon - Rise: 22:25, Set: 07:25. Civil Dark: 20:51 - 06:31. Nautical Dark: 21:33 - 05:49. Astro Dark: 22:19 - 05:03

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
99
100
100
100
100
89
13
64
68
97
70
59
63
89
79

Low Clouds (% Sky Obscured)

86
94
100
100
100
100
100
95
89
77
90
81
69
46
8
0
60
50
54
54
31
24
60
56

Medium Clouds (% Sky Obscured)

85
91
96
65
77
40
61
60
32
41
55
17
0
3
3
6
51
14
19
18
28
38
65
45

High Clouds (% Sky Obscured)

48
34
30
26
25
100
100
100
100
96
100
100
96
97
82
13
23
23
90
9
0
0
1
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
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
5
2
21
2
2
2
12
14
17
20
15
12
10
4
5
5
4
4
5
3
3
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)

19
18
17
17
17
17
17
17
17
18
18
17
15
13
10
8
7
6
5
5
7
8
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
5
4
5
5
5
6
6
6
7
7
6
6
5
5
4
4
6
7
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

66
69
74
84
87
85
88
90
91
91
91
90
90
91
90
93
90
90
90
82
71
67
63
61

Pressure (mb)

1014
1013
1012
1012
1011
1011
1011
1011
1011
1012
1012
1013
1014
1015
1015
1016
1017
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

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

Saturday 4

Waning Gibbous 91%

23:41

07:43

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 07:03, Set: 20:18, Transit: 13:42. Moon - Rise: 23:41, Set: 07:43. Civil Dark: 20:53 - 06:28. Nautical Dark: 21:35 - 05:46. Astro Dark: 22:21 - 05:00

Total Clouds (% Sky Obscured)

90
96
100
84
85
92
51
80
40
79
100
80
96
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
89
100
69
40
25
15
6
4
0
3
26
56
75
71
81
68
74
61
56
54
72
66
66

Medium Clouds (% Sky Obscured)

34
87
84
38
81
92
27
46
20
50
54
36
56
79
100
100
100
100
100
98
98
97
100
100

High Clouds (% Sky Obscured)

9
21
36
13
11
20
10
54
0
23
100
45
75
79
100
100
100
100
100
98
100
92
82
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 (%)

0
0
2
11
3
2
0
0
0
0
0
0
0
1
0
1
19
22
9
7
16
6
16
5

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)

13
12
11
11
13
12
12
13
14
16
17
18
19
19
20
20
20
21
19
17
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
64
76
82
78
78
79
81
84
83
79
75
72
71
72
70
71
76
69
65
67
66
63
63

Pressure (mb)

1019
1018
1018
1017
1016
1016
1015
1014
1013
1012
1012
1011
1010
1010
1010
1010
1010
1011
1012
1013
1014
1015
1016
1017

Ozone (du)

382
386
385
382
379
378
377
376
376
374
371
368
370
367
365
365
367
370
379
381
381
381
378
380

Sunday 5

Waning Gibbous 85%

00:56

08:07

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 OK
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

Sun - Rise: 07:01, Set: 20:20, Transit: 13:41. Moon - Rise: 00:56, Set: 08:07. Civil Dark: 20:55 - 06:26. Nautical Dark: 21:37 - 05:43. Astro Dark: 22:23 - 04:57

Total Clouds (% Sky Obscured)

100
68
68
92
100
17
43
15
61
99
61
100
100
90
60
88
77
72
66
58
51
69
83
99

Low Clouds (% Sky Obscured)

56
42
37
26
0
0
43
0
5
5
0
0
0
0
1
1
1
0
0
0
0
18
36
54

Medium Clouds (% Sky Obscured)

94
36
35
12
0
13
2
0
3
12
11
20
0
0
0
19
0
0
0
0
0
15
27
31

High Clouds (% Sky Obscured)

99
8
9
82
96
3
0
15
53
96
49
100
100
90
60
70
77
72
61
58
51
69
83
97

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
13
4
2
3
2
9
31
18
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)

13
12
13
14
13
11
8
7
10
11
9
8
8
8
7
6
5
5
4
4
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
7
7
6
7
5
4
3
2
2
3
2
2
1
1
1
0
0
3
5
7
7
8

Dew Point (°C)

3
3
3
3
3
4
4
3
4
3
3
2
1
1
1
1
0
-0
-1
0
1
0
0
0

Relative Humidity (%)

56
56
54
53
57
63
69
74
78
81
78
76
74
73
73
75
75
76
73
67
59
51
47
45

Pressure (mb)

1018
1018
1018
1019
1020
1020
1021
1021
1022
1023
1024
1024
1025
1026
1026
1027
1027
1028
1028
1029
1029
1030
1030
1030

Ozone (du)

384
384
383
382
382
384
385
389
387
384
387
388
389
386
386
386
384
381
378
376
375
374
372
370

Monday 6

Waning Gibbous 78%

02:05

08:40

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

Sun - Rise: 06:59, Set: 20:22, Transit: 13:41. Moon - Rise: 02:05, Set: 08:40. Civil Dark: 20:57 - 06:24. Nautical Dark: 21:39 - 05:41. Astro Dark: 22:26 - 04:54

Total Clouds (% Sky Obscured)

98
96
94
86
65
49
72
74
96
65
32
2
1
2
2
2
2
3
6
7
7
8
10
15

Low Clouds (% Sky Obscured)

52
55
55
44
35
27
19
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
13
5
4
3
4
2
2
2
1
1
0
0
0
0
0
1
2
2
2
2
2
2
2

High Clouds (% Sky Obscured)

96
95
87
73
42
22
56
73
96
65
32
0
0
0
0
0
0
0
1
2
3
3
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
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
5
4
3
2
2
4
6
6
6
6
6
7
7
7
7
7
7
7
8
9
10
11
12

Chance of Frost

Temperature (°C)

12
12
12
12
12
11
9
8
7
6
5
5
5
5
4
4
4
4
4
6
8
10
12
13

Feels Like (°C)

9
9
9
9
9
10
8
5
5
3
3
4
3
3
2
2
2
2
2
4
6
7
8
9

Dew Point (°C)

0
-0
-0
-1
-1
2
2
2
2
1
1
1
1
1
0
-1
-1
-0
-1
0
1
2
2
3

Relative Humidity (%)

43
42
42
41
43
51
58
64
71
72
72
73
73
75
75
73
75
76
72
66
61
56
52
49

Pressure (mb)

1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025

Ozone (du)

370
370
369
367
366
366
365
366
366
366
366
367
367
367
368
367
368
370
371
372
372
371
372
372

Tuesday 7

Waning Gibbous 69%

03:05

09:27

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

Sun - Rise: 06:56, Set: 20:23, Transit: 13:41. Moon - Rise: 03:05, Set: 09:27. Civil Dark: 20:58 - 06:21. Nautical Dark: 21:41 - 05:38. Astro Dark: 22:28 - 04:51

Total Clouds (% Sky Obscured)

10
8
8
7
10
10
26
39
57
58
58
61
74
81
92
66
35
4
33
67
100
96
93
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)

2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
8
8
26
32

High Clouds (% Sky Obscured)

4
3
3
4
6
7
23
39
56
58
58
61
74
81
92
66
33
0
33
67
100
81
63
45

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
1
2
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
12
12
12
11
10
9
10
11
11
11
11
10
10
9
9
9
9
10
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
11
10
8
6
4
4
4
4
3
3
3
3
3
3
2
2
2
3
3
4

Dew Point (°C)

3
3
3
3
4
4
3
2
1
1
0
-0
-0
-0
-0
-0
-0
0
0
1
2
3
3
4

Relative Humidity (%)

48
46
45
47
52
55
58
57
56
57
57
57
59
62
64
66
66
67
67
63
61
57
54
50

Pressure (mb)

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

Ozone (du)

372
370
370
368
367
365
364
363
361
361
360
359
358
358
358
358
360
361
362
363
364
366
365
365

Wednesday 8

Waning Gibbous 60%

03:52

10:26

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

Sun - Rise: 06:54, Set: 20:25, Transit: 13:40. Moon - Rise: 03:52, Set: 10:26. Civil Dark: 21:00 - 06:19. Nautical Dark: 21:43 - 05:36. Astro Dark: 22:31 - 04:48

Total Clouds (% Sky Obscured)

73
57
45
56
63
72
73
78
85
62
36
12
23
34
45
48
59
65
77
86
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
21
32
49
65
82
84
86
89

Medium Clouds (% Sky Obscured)

30
19
9
15
22
28
29
21
15
9
4
1
2
2
4
15
27
39
42
48
50
50
45
40

High Clouds (% Sky Obscured)

32
18
10
29
44
56
63
69
76
56
35
12
19
12
5
3
5
8
39
69
100
100
100
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
21
38
54

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
11
11
11
11
11
12
8
8
8
8
7
7
4
4
4
3
3
3
3
3
4
4
4

Dew Point (°C)

4
5
6
7
7
6
6
5
4
3
2
2
2
1
1
1
1
1
1
2
2
4
4
6

Relative Humidity (%)

47
48
50
51
54
57
60
60
60
60
61
62
62
63
62
63
62
63
63
63
63
66
69
74

Pressure (mb)

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

Ozone (du)

365
365
365
365
365
366
366
368
369
370
372
373
374
378
382
386
388
391
393
392
391
390
392
394

Thursday 9

Waning Gibbous 50%

04:26

11:36

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

Sun - Rise: 06:52, Set: 20:27, Transit: 13:40. Moon - Rise: 04:26, Set: 11:36. Civil Dark: 21:02 - 06:17. Nautical Dark: 21:45 - 05:33. Astro Dark: 22:33 - 04:45

Total Clouds (% Sky Obscured)

86
73
59
73
84
100
99
98
97
90
82
76
84
90
95
88
82
78

Low Clouds (% Sky Obscured)

81
72
59
49
42
25
25
15
10
10
15
20
20
20
20
21
22
25

Medium Clouds (% Sky Obscured)

35
45
45
62
82
97
96
94
92
86
79
71
68
70
70
47
23
0

High Clouds (% Sky Obscured)

72
47
20
50
75
100
98
96
95
79
60
41
48
57
66
58
50
41

ISS Passover

Visibility (miles)

9
7
5
3
5
7
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

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

Precipitation Probability (%)

72
82
92
90
79
70
79
64
38
35
28
11
13
9
0
1
2
0

Precipitation Amount (mm)

0.4
0.4
0.6
0.6
0.4
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
7
8
9
9
9
8
7
6
5
5
5
4
2
2
1
1
1

Dew Point (°C)

7
8
8
9
9
9
9
8
7
5
4
3
1
0
-1
-2
-2
-2

Relative Humidity (%)

78
84
88
95
95
95
95
91
88
84
79
75
71
70
68
66
67
68

Pressure (mb)

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

Ozone (du)

396
396
397
398
398
399
400
400
400
400
400
399
398
399
400
402
403
404

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

Generated: 03/04/26 14:39:14. Forecast: 03/04/26 to 09/04/26. Timezone: UTC+2.00