Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:12

22:26

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

Sun - Rise: 05:55, Set: 20:13, Transit: 13:05. Moon - Rise: 06:12, Set: 22:26. Civil Dark: 20:51 - 05:16. Nautical Dark: 21:39 - 04:27. Astro Dark: 22:37 - 03:29

Total Clouds (% Sky Obscured)

62
60
61
49
13
13
0
0
1
0
0
0
0
0
0
0
0
0
0
17
32
53
78
76

Low Clouds (% Sky Obscured)

31
30
29
9
13
13
0
0
0
0
0
0
0
0
0
0
0
0
0
17
32
53
57
60

Medium Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
16
13

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 (%)

22
15
7
5
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
50
52
53
55
59
59
59
60
63
65
66
67
70
72
73
75
73
61
51
45
40
37
35

Pressure (mb)

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

Ozone (du)

413
413
413
416
418
422
423
423
423
424
425
426
425
422
419
418
416
414
413
412
411
409
409
408

Sunday 19

Waxing Crescent 7%

06:44

00:02

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 OK
03 OK
04 OK
05 Bad
06 Bad
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:52, Set: 20:15, Transit: 13:04. Moon - Rise: 06:44, Set: 00:02. Civil Dark: 20:53 - 05:14. Nautical Dark: 21:42 - 04:25. Astro Dark: 22:40 - 03:25

Total Clouds (% Sky Obscured)

82
82
80
58
100
81
86
75
86
85
85
65
46
36
44
60
75
47
66
66
81
86
86
90

Low Clouds (% Sky Obscured)

35
33
37
38
63
57
83
70
62
32
10
0
0
21
37
43
43
0
0
0
24
42
57
45

Medium Clouds (% Sky Obscured)

37
53
63
32
60
39
42
40
51
56
58
51
32
17
5
23
34
30
43
43
45
46
34
39

High Clouds (% Sky Obscured)

25
22
7
1
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
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

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
1
1
5
5
13
19
4
0
0
0
0
0
0
0
0
0
1
4
24
23
18
34

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)

5
5
5
5
5
6
7
7
6
5
3
2
2
1
1
2
2
3
5
6
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

33
33
33
35
39
45
57
62
63
63
65
69
70
71
74
75
79
76
70
64
58
52
50
52

Pressure (mb)

1026
1026
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025

Ozone (du)

408
407
406
406
406
406
405
404
409
407
409
410
409
410
411
411
413
414
416
416
415
416
415
415

Monday 20

Waxing Crescent 14%

07:34

01:27

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
13 Bad

Sun - Rise: 05:50, Set: 20:16, Transit: 13:04. Moon - Rise: 07:34, Set: 01:27. Civil Dark: 20:55 - 05:11. Nautical Dark: 21:44 - 04:22. Astro Dark: 22:43 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
93
84
85
88
70
78
79
77
91
94
94
94
85
67
49
69
77

Low Clouds (% Sky Obscured)

51
64
70
88
84
64
76
77
62
71
77
70
77
78
64
87
86
80
74
55
46
37
30
20

Medium Clouds (% Sky Obscured)

50
50
40
35
35
35
38
31
22
16
25
0
0
0
18
47
19
28
38
52
34
22
13
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
29
28
13
31
48
50
49
19
9
4
17
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
46
56
58
60
52
38
16
25
13
4
12
9
1
1
7
10
5
6
4
4
3
0
0

Precipitation Amount (mm)

0
0
0.2
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
57
55
57
63
70
75
78
81
84
86
91
93
93
94
94
93
87
77
57
48
40
36

Pressure (mb)

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

Ozone (du)

414
413
413
412
411
411
411
409
407
405
403
401
401
400
398
395
394
393
393
392
389
388
388
386

Tuesday 21

Waxing Crescent 24%

08:45

02:30

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

Sun - Rise: 05:48, Set: 20:18, Transit: 13:04. Moon - Rise: 08:45, Set: 02:30. Civil Dark: 20:57 - 05:09. Nautical Dark: 21:47 - 04:19. Astro Dark: 22:47 - 03:18

Total Clouds (% Sky Obscured)

80
85
71
63
54
55
59
61
60
57
53
35
27
30
28
30
40
39
62
55
48
51
52
81

Low Clouds (% Sky Obscured)

11
0
15
31
47
50
54
55
55
56
53
35
27
30
28
30
28
26
29
29
25
23
19
18

Medium Clouds (% Sky Obscured)

34
47
39
24
10
7
3
0
7
13
19
15
9
4
9
14
20
13
7
0
0
0
0
0

High Clouds (% Sky Obscured)

15
5
2
0
0
1
6
8
8
6
7
4
3
3
4
7
14
6
25
19
20
27
30
70

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

35
34
37
41
48
57
65
74
81
85
85
86
85
86
86
88
88
85
78
71
59
52
47
44

Pressure (mb)

1029
1029
1029
1029
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1028
1028
1028

Ozone (du)

384
383
383
381
379
377
375
375
374
374
374
373
374
374
373
372
371
371
370
370
370
370
370
370

Wednesday 22

Waxing Crescent 35%

10:11

03:11

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

Sun - Rise: 05:46, Set: 20:20, Transit: 13:04. Moon - Rise: 10:11, Set: 03:11. Civil Dark: 20:59 - 05:07. Nautical Dark: 21:49 - 04:16. Astro Dark: 22:50 - 03:14

Total Clouds (% Sky Obscured)

74
55
58
58
52
69
67
41
45
49
76
82
91
97
90
82
71
74
77
66
61
60
59
63

Low Clouds (% Sky Obscured)

17
14
10
5
0
7
14
20
33
46
59
67
67
68
65
66
61
65
69
66
54
40
26
20

Medium Clouds (% Sky Obscured)

0
0
7
17
29
27
24
23
25
29
31
38
45
48
35
18
7
9
10
10
8
6
5
9

High Clouds (% Sky Obscured)

62
50
48
44
42
44
35
18
19
19
21
46
72
97
66
37
8
7
6
4
19
34
52
61

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
0
1
1
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
13
12
10
10
8
7
6
5
5
5
5
5
5
5
5
5
6
7
8
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
41
41
42
45
51
63
74
79
80
82
85
88
91
93
89
86
82
74
66
60
53
48
43

Pressure (mb)

1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1024

Ozone (du)

371
370
370
369
369
369
369
371
372
373
375
376
377
378
379
379
379
380
383
387
390
386
381
377

Thursday 23

Waxing Crescent 46%

11:41

03:37

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
13 Bad

Sun - Rise: 05:43, Set: 20:22, Transit: 13:04. Moon - Rise: 11:41, Set: 03:37. Civil Dark: 21:01 - 05:04. Nautical Dark: 21:52 - 04:13. Astro Dark: 22:54 - 03:10

Total Clouds (% Sky Obscured)

71
80
84
83
82
77
73
53
58
63
73
83
91
95
95
96
96
95
95
94
92
90
87
80

Low Clouds (% Sky Obscured)

13
6
4
2
0
18
35
53
58
63
73
74
74
76
80
84
88
87
84
84
78
73
69
67

Medium Clouds (% Sky Obscured)

12
11
9
12
14
11
12
6
8
9
14
14
17
20
24
34
41
44
51
40
30
20
14
7

High Clouds (% Sky Obscured)

71
80
53
29
9
7
4
2
18
35
59
40
21
2
3
4
5
7
8
9
9
9
5
4

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
1
1
0
1
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
10
11
10
10
10
9
8
7
7
6
5
6
6
6
6
6
7
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
12
7
7
6
6
6
5
2
3
3
3
3
3
2
3
2
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

43
43
43
49
55
63
66
71
76
76
79
79
75
70
66
66
65
65
64
63
62
61
58
57

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025

Ozone (du)

377
377
377
374
370
367
366
364
363
363
363
364
364
364
365
364
364
363
366
368
370
371
372
373

Friday 24

First Quarter 58%

13:09

03:54

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

Sun - Rise: 05:41, Set: 20:24, Transit: 13:03. Moon - Rise: 13:09, Set: 03:54. Civil Dark: 21:03 - 05:02. Nautical Dark: 21:54 - 04:10. Astro Dark: 22:58 - 03:06

Total Clouds (% Sky Obscured)

73
67
63
55
45
35
24
14
21
28
35
39
39
46
59
67
72

Low Clouds (% Sky Obscured)

66
64
63
55
45
35
24
14
21
28
35
39
39
46
59
67
69

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
3
4
4
3
3
3
2
2
2
2
2
2
2

Relative Humidity (%)

54
52
50
53
56
59
65
70
75
76
78
79
80
80
82
82
79

Pressure (mb)

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

Ozone (du)

371
370
369
369
368
368
367
367
366
366
366
365
365
365
365
364
364

Forecast for Peacock, Wakefield, United Kingdom (53.68,-1.51)

Generated: 18/04/26 14:41:30. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+1.00