Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Crescent 46%

12:23

03:57

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

Sun - Rise: 06:22, Set: 20:48, Transit: 13:36. Moon - Rise: 12:23, Set: 03:57. Civil Dark: 21:24 - 05:45. Nautical Dark: 22:11 - 04:58. Astro Dark: 23:06 - 04:03

Total Clouds (% Sky Obscured)

36
32
25
20
1
1
0
0
0
0
23
32
38
73
83
90
100
100
100
92
80
62
48
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
16
25
32
55
56
56
70
85
95
88
74
50
41
28

Medium 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

High Clouds (% Sky Obscured)

2
1
0
1
0
1
0
0
0
0
0
0
0
1
1
1
2
1
7
1
13
19
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
16
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
7
9
11
11
10
8
7
6
6
5
5
4
4
4
5
5
4
5
5
6
6
7

Chance of Frost

Temperature (°C)

16
17
18
18
18
16
14
11
9
8
6
6
5
4
4
4
4
4
5
6
7
9
12
14

Feels Like (°C)

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

Dew Point (°C)

0
1
2
4
6
6
5
5
4
3
2
1
0
0
0
1
1
2
1
-0
-1
-2
-1
-1

Relative Humidity (%)

34
33
35
38
44
51
57
65
69
71
72
74
72
75
75
77
80
82
73
64
54
46
41
37

Pressure (mb)

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

Ozone (du)

378
377
376
376
375
374
374
375
377
378
376
376
376
377
378
377
375
374
374
374
374
375
376
376

Friday 24

First Quarter 58%

13:47

04:18

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

Sun - Rise: 06:20, Set: 20:49, Transit: 13:35. Moon - Rise: 13:47, Set: 04:18. Civil Dark: 21:26 - 05:43. Nautical Dark: 22:13 - 04:56. Astro Dark: 23:08 - 04:00

Total Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
2
10
35
46
65
74
74
78
77
81
79
73
50
25
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
27
43
65
74
74
78
77
81
79
73
45
22
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
10
35
3
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
1
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
38
100
100
100
52
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
9
10
10
10
9
8
7
7
6
6
5
4
4
4
3
3
3
3
3
4
4
6
7

Chance of Frost

Temperature (°C)

15
17
17
18
17
16
14
11
9
7
6
6
5
5
5
5
4
5
6
7
8
11
13
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

34
33
32
34
37
45
50
58
62
66
70
72
73
76
79
79
79
76
65
53
44
39
35
33

Pressure (mb)

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

Ozone (du)

378
380
383
379
373
369
366
364
362
363
364
370
379
392
397
398
395
383
375
373
371
368
364
361

Saturday 25

Waxing Gibbous 68%

No Rise

04:33

14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
20 Good
21 Good
22 OK
23 OK
00 OK
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

Sun - Rise: 06:18, Set: 20:51, Transit: 13:35. Moon - Rise: No Rise, Set: 04:33. Civil Dark: 21:28 - 05:41. Nautical Dark: 22:15 - 04:53. Astro Dark: 23:11 - 03:56

Total Clouds (% Sky Obscured)

0
0
0
0
0
24
0
0
28
40
42
37
40
54
96
98
99
90
93
97
100
91
81
72

Low Clouds (% Sky Obscured)

0
0
0
0
0
21
0
0
25
36
26
19
17
28
25
4
28
0
12
23
35
24
13
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
21
28
32
93
88
81
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
8
17
18
22
45
95
98
96
81
86
93
100
72
43
30

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)

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

Chance of Frost

Temperature (°C)

16
17
17
17
17
16
14
11
9
8
7
7
6
5
5
5
4
4
5
7
8
9
11
12

Feels Like (°C)

14
15
15
14
14
13
12
10
8
6
5
5
4
3
2
2
1
1
2
4
5
6
7
8

Dew Point (°C)

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

Relative Humidity (%)

32
31
31
32
37
44
51
59
68
75
84
90
90
86
83
85
85
80
74
65
60
54
48
45

Pressure (mb)

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

Ozone (du)

359
359
359
359
359
361
361
362
364
365
367
367
366
367
369
369
371
374
374
372
373
375
377
377

Sunday 26

Waxing Gibbous 78%

15:07

04:45

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

Sun - Rise: 06:16, Set: 20:53, Transit: 13:35. Moon - Rise: 15:07, Set: 04:45. Civil Dark: 21:30 - 05:39. Nautical Dark: 22:18 - 04:51. Astro Dark: 23:15 - 03:53

Total Clouds (% Sky Obscured)

80
90
99
71
47
25
12
23
34
24
12
0
0
1
1
11
21
40
49
56
64
63
64
68

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)

66
76
70
63
12
6
8
11
15
10
6
0
0
0
0
0
0
0
0
0
0
12
23
34

High Clouds (% Sky Obscured)

48
76
96
46
47
25
1
0
0
0
0
0
0
0
0
11
21
34
43
51
62
50
41
38

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)

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

Chance of Frost

Temperature (°C)

13
14
14
15
14
14
13
11
9
8
7
6
6
5
4
4
4
4
5
7
9
12
13
14

Feels Like (°C)

10
10
10
11
11
10
9
9
7
6
6
5
4
3
3
2
2
3
2
4
6
8
9
11

Dew Point (°C)

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

Relative Humidity (%)

42
39
38
38
39
45
56
68
74
73
74
74
75
76
79
79
83
83
75
69
63
57
51
42

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

377
378
379
383
381
378
377
373
372
372
372
372
372
373
374
374
373
373
374
375
377
378
380
381

Monday 27

Waxing Gibbous 86%

16:24

04:57

14 Bad
15 OK
16 Good
17 OK
18 OK
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 OK
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 06:14, Set: 20:54, Transit: 13:35. Moon - Rise: 16:24, Set: 04:57. Civil Dark: 21:32 - 05:36. Nautical Dark: 22:20 - 04:48. Astro Dark: 23:18 - 03:49

Total Clouds (% Sky Obscured)

56
44
14
22
25
2
2
3
2
2
3
6
12
18
18
12
9
9
18
28
38
42
45
48

Low Clouds (% Sky Obscured)

1
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

24
14
3
3
0
0
0
0
0
0
0
0
0
0
0
12
9
9
18
28
38
42
42
27

High Clouds (% Sky Obscured)

34
24
8
9
2
0
0
0
0
0
0
1
1
0
0
1
1
2
3
3
3
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
14
12
12
13
11
9
8
7
6
5
4
4
4
4
4
3
4
5
6
6
7

Dew Point (°C)

1
0
0
1
2
4
5
6
5
4
3
2
2
2
2
2
1
1
1
1
1
0
2
3

Relative Humidity (%)

37
35
34
35
38
45
55
67
72
70
70
71
72
74
76
79
75
71
67
60
52
45
46
45

Pressure (mb)

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

Ozone (du)

383
386
390
393
393
395
394
392
392
395
394
393
390
389
387
386
386
386
386
385
385
384
386
387

Tuesday 28

Waxing Gibbous 92%

17:38

05:07

14 OK
15 OK
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
13 Bad

Sun - Rise: 06:12, Set: 20:56, Transit: 13:35. Moon - Rise: 17:38, Set: 05:07. Civil Dark: 21:34 - 05:34. Nautical Dark: 22:22 - 04:46. Astro Dark: 23:21 - 03:46

Total Clouds (% Sky Obscured)

46
45
44
61
77
94
91
88
83
88
93
98
98
97
97
93
89
86
80
76
72
67
61
55

Low Clouds (% Sky Obscured)

9
13
17
37
57
77
80
82
83
88
93
98
94
90
86
85
84
81
76
73
70
66
61
55

Medium Clouds (% Sky Obscured)

23
14
8
11
14
18
16
13
17
25
26
30
28
22
20
8
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
3
5
3
2
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 (%)

2
2
1
6
7
5
8
9
5
22
30
37
33
29
25
23
19
11
11
10
4
9
10
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
14
14
14
14
14
14
8
8
9
8
8
8
5
6
6
6
5
5
7
7
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

46
47
51
54
59
64
72
75
77
81
81
82
81
82
85
87
85
82
82
72
65
58
53
49

Pressure (mb)

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

Ozone (du)

388
389
391
392
394
397
399
404
408
412
412
411
411
407
403
400
398
396
394
395
395
396
396
396

Wednesday 29

Waxing Gibbous 97%

18:52

05:19

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

Sun - Rise: 06:10, Set: 20:58, Transit: 13:35. Moon - Rise: 18:52, Set: 05:19. Civil Dark: 21:35 - 05:32. Nautical Dark: 22:24 - 04:43. Astro Dark: 23:24 - 03:42

Total Clouds (% Sky Obscured)

60
65
70
62
56
50
31
17
3
2
2
1
1
2
2
1
1
0

Low Clouds (% Sky Obscured)

59
63
66
57
49
41
28
15
2
2
1
1
1
2
2
1
1
0

Medium Clouds (% Sky Obscured)

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
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

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 (%)

10
7
1
7
5
7
7
6
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
14
14
12
11
9
8
7
6
5
5
4
4
5

Feels Like (°C)

8
13
13
13
12
12
12
10
10
9
8
8
7
3
3
3
3
2

Dew Point (°C)

4
4
5
6
5
5
5
5
4
4
3
2
2
1
1
0
-0
-1

Relative Humidity (%)

45
47
50
54
53
53
53
59
64
70
71
72
74
75
76
77
72
67

Pressure (mb)

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

Ozone (du)

396
397
398
399
399
399
398
400
402
404
404
405
405
405
406
406
408
409

Forecast for Eindhoven, Gemeente Eindhoven, Netherlands (51.44,5.48)

Generated: 23/04/26 14:44:39. Forecast: 23/04/26 to 29/04/26. Timezone: UTC+2.00