Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 12%

06:48

01:08

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:13, Set: 21:12, Transit: 13:12. Moon - Rise: 06:48, Set: 01:08. Civil Dark: 21:56 - 04:27. Nautical Dark: 22:58 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
98
98
100
94
95
99
85
88
86
97
99
99
99
99
100
99
95
94
95
93
97
96

Low Clouds (% Sky Obscured)

83
73
89
87
86
73
69
57
64
66
63
78
73
61
64
53
100
75
74
76
63
71
88
81

Medium Clouds (% Sky Obscured)

20
42
94
92
100
81
70
49
30
57
32
74
95
99
98
99
100
96
81
75
74
55
32
36

High Clouds (% Sky Obscured)

26
44
49
32
55
4
3
28
16
16
35
43
51
21
53
18
2
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
6
5
9
7
4
5
3
3
6
4
4
5
7
4
5
5
7
8
9
6
6
7
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

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

Precipitation Probability (%)

84
67
44
46
83
93
91
95
82
84
89
80
61
65
89
92
95
82
78
65
59
50
39
40

Precipitation Amount (mm)

1.5
0.4
0
0
0.6
0.6
0.7
0.9
0.6
0.6
0.8
0.6
0.3
0.4
0.7
0.7
0.7
0.4
0.5
0.4
0.4
0.3
0
0.2

Wind Speed/Direction (mph)

14
15
13
14
15
15
16
17
17
19
19
20
20
20
20
20
20
20
21
22
21
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
11
11
11
12
12
12
12
11
12
12
11
11
10
11
11
10
10
10
11
11
10
10

Relative Humidity (%)

96
96
92
90
89
93
95
90
89
83
84
84
87
90
89
95
95
93
92
93
95
96
93
90

Pressure (mb)

1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1006
1006
1007
1007
1008
1009
1009

Ozone (du)

392
391
391
391
387
391
392
394
396
396
396
397
397
399
398
399
398
399
399
393
387
378
374
374

Wednesday 20

Waxing Crescent 21%

08:11

01:42

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

Sun - Rise: 05:12, Set: 21:13, Transit: 13:12. Moon - Rise: 08:11, Set: 01:42. Civil Dark: 21:57 - 04:26. Nautical Dark: 23:01 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
84
65
78
74
74
57
43
18
79
98
90
40
74
70
56
70
86
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
64
59
61
66
71
57
40
8
74
89
78
40
37
45
56
70
75
75
95
95
100
100
100

Medium Clouds (% Sky Obscured)

20
20
0
19
0
0
0
14
1
45
39
15
0
0
2
17
0
46
49
44
36
69
86
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
3
5
46
11
3
65
61
10
2
40
69
69
93
62
51
71

ISS Passover

Visibility (miles)

6
5
4
5
3
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

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
None
None

Precipitation Probability (%)

50
43
47
49
38
25
21
19
21
23
20
23
8
5
1
4
5
5
18
35
5
4
7
19

Precipitation Amount (mm)

0.4
0.3
0.3
0.3
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
19
19
18
20
18
19
19
20
20
18
18
18
17
15
13
10
10
10
9
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
11
11
10
11
11
11
11

Relative Humidity (%)

90
96
95
96
96
95
89
84
84
87
86
92
87
84
86
87
93
93
95
93
95
93
92
87

Pressure (mb)

1010
1011
1012
1013
1014
1015
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

375
375
375
369
363
360
358
352
350
351
348
348
346
347
349
348
348
347
346
346
345
345
345
345

Thursday 21

Waxing Crescent 31%

09:41

02:05

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
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:10, Set: 21:14, Transit: 13:12. Moon - Rise: 09:41, Set: 02:05. Civil Dark: 21:59 - 04:24. Nautical Dark: 23:03 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
96
99
95
97
98
100
95
93
100
96
95
100
100
97
91
17
13
68
57
96
92
95

Low Clouds (% Sky Obscured)

100
100
90
95
95
90
91
100
78
66
48
35
29
25
21
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
63
60
51
38
35
26
44
48
41
9
59
72
72
96
94
86
17
13
12
9
3
0
0

High Clouds (% Sky Obscured)

90
47
53
79
58
47
50
60
60
62
100
96
90
96
100
95
6
0
2
17
18
29
33
55

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
1
2
1
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
9
3
6
4
1
4
13
4
2
3
0
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)

11
10
9
10
10
10
12
12
12
12
12
12
10
8
5
3
4
3
3
4
5
5
6
6

Chance of Frost

Temperature (°C)

13
13
14
14
15
16
16
17
17
17
18
18
18
17
17
16
15
15
14
14
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
12
13
13
13
13
14
14
13
14
14
13
13
13
14
14
14
13
12
12
11
11
10
9

Relative Humidity (%)

90
90
90
90
87
83
83
82
81
79
77
74
72
77
82
86
89
89
89
90
89
87
81
76

Pressure (mb)

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

Ozone (du)

346
345
344
344
345
345
345
343
342
340
339
337
336
337
338
340
341
342
347
349
349
347
346
344

Friday 22

Waxing Crescent 42%

11:10

02:20

05 Bad
06 Bad
07 Bad
08 Bad
09 Good
10 OK
11 Good
12 Bad
13 Bad
14 OK
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

Sun - Rise: 05:09, Set: 21:16, Transit: 13:13. Moon - Rise: 11:10, Set: 02:20. Civil Dark: 22:01 - 04:23. Nautical Dark: 23:06 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
100
95
66
16
35
13
51
50
42
57
97
99
100
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
2
1
0
1
0
0
0
2
11
25
20
1
24
26
32
41

Medium Clouds (% Sky Obscured)

0
0
5
11
16
23
13
25
36
37
38
76
89
100
91
94
99
100
100
99
99
100
46
36

High Clouds (% Sky Obscured)

76
100
68
36
2
30
13
51
50
35
30
73
87
100
98
94
100
100
100
100
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
1
5
11
15
26
25
37
51
54
45
45
33
49

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

Chance of Frost

Temperature (°C)

13
13
15
17
19
20
21
21
22
22
22
21
20
20
19
18
18
17
17
17
16
16
16
15

Feels Like (°C)

10
11
13
16
18
19
19
20
20
20
21
20
19
19
19
19
18
17
18
17
16
16
15
15

Dew Point (°C)

9
10
12
14
14
15
15
15
16
16
16
16
16
17
16
17
16
16
16
15
15
15
15
15

Relative Humidity (%)

75
79
82
79
72
70
68
67
68
68
69
70
77
82
85
89
90
92
92
90
92
92
93
96

Pressure (mb)

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

Ozone (du)

344
345
346
345
346
347
349
350
349
348
345
345
344
344
343
343
344
345
347
352
354
358
363
368

Saturday 23

First Quarter 54%

12:34

02:33

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

Sun - Rise: 05:08, Set: 21:17, Transit: 13:13. Moon - Rise: 12:34, Set: 02:33. Civil Dark: 22:02 - 04:21. Nautical Dark: 23:08 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

32
57
88
71
48
14
13
12
10
15
69
73
80
92
75
55
39
52
67
86
85
83
76
79

Low Clouds (% Sky Obscured)

32
57
86
71
48
14
13
12
10
15
29
21
14
6
20
13
6
24
43
62
61
56
55
31

Medium Clouds (% Sky Obscured)

32
30
25
20
20
14
13
11
10
5
0
0
0
0
1
2
2
2
3
3
2
1
0
0

High Clouds (% Sky Obscured)

32
35
23
13
0
0
0
0
0
0
10
11
12
19
75
55
39
40
36
29
23
21
19
27

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
Moderate Rain
Moderate Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
47
71
95
95
95
78
49
29
10
0
0
0
0
2
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.2
2.6
6.9
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
3
3
4
4
4
4
4
4
4
4
3
3
3
1
2
2
2
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
15
15
16
16
17
17
17
17
16
15
16
15
15
14
14
14
13
13
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
93
87
79
77
74
72
71
71
69
72
74
79
82
84
89
87
86
84
84
83
83

Pressure (mb)

1024
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1029
1029
1029
1030
1030
1031
1031
1031
1031
1031
1031
1032

Ozone (du)

378
379
361
356
353
352
349
345
343
341
340
338
334
332
328
326
325
324
323
322
321
320
319
318

Sunday 24

Waxing Gibbous 64%

13:53

02:43

05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 Good
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

Sun - Rise: 05:07, Set: 21:19, Transit: 13:13. Moon - Rise: 13:53, Set: 02:43. Civil Dark: 22:04 - 04:20. Nautical Dark: 23:11 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
83
70
57
37
28
19
9
9
8
7
5
3
2
3
1
1
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

16
0
0
0
0
3
5
8
8
7
7
3
3
2
3
1
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
33
27
17
11
6
2
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)

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

Chance of Frost

Temperature (°C)

11
12
13
14
15
17
17
17
18
18
18
18
17
17
17
15
14
12
12
12
12
13
13
13

Feels Like (°C)

10
10
9
13
13
14
14
15
16
19
19
18
18
19
18
17
17
17
16
16
16
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

80
79
75
73
69
66
66
66
64
64
65
65
66
68
69
74
78
80
79
77
77
75
74
71

Pressure (mb)

1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031

Ozone (du)

318
318
318
318
318
318
319
320
321
321
321
321
321
322
322
323
323
324
324
323
323
321
320
319

Monday 25

Waxing Gibbous 74%

15:09

02:53

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

Sun - Rise: 05:06, Set: 21:20, Transit: 13:13. Moon - Rise: 15:09, Set: 02:53. Civil Dark: 22:06 - 04:19. Nautical Dark: 23:13 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
1
1
2
4
5
7
6
5
5
8
16
23
19
14
8
7
6
5

Low Clouds (% Sky Obscured)

0
0
1
1
0
0
0
0
2
4
5
8
13
20
17
13
8
6
3
0

Medium Clouds (% Sky Obscured)

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
1
1
1
1
1
1
1
1
1
1
1
0
1
1
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
16
17
19
20
21
22
23
23
23
23
22
22
21
20
18
16
16
15

Feels Like (°C)

14
13
13
17
18
19
20
21
22
25
25
24
24
24
23
22
21
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

72
71
70
67
63
62
61
59
59
59
59
60
61
63
64
65
65
67
65
62

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1028
1028
1029
1029
1029
1029

Ozone (du)

318
317
316
317
318
318
319
319
320
319
319
319
319
318
318
318
317
317
316
316

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 19/05/26 05:17:58. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+1.00