Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 14%

07:01

23:48

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

Sun - Rise: 05:59, Set: 20:12, Transit: 13:05. Moon - Rise: 07:01, Set: 23:48. Civil Dark: 20:48 - 05:22. Nautical Dark: 21:34 - 04:37. Astro Dark: 22:27 - 03:44

Total Clouds (% Sky Obscured)

40
51
65
100
91
95
46
14
7
13
0
0
4
58
46
73
67
78
39
47
27
45
31
0

Low Clouds (% Sky Obscured)

34
27
23
0
0
21
16
0
0
0
0
0
4
58
8
16
0
23
0
40
24
14
0
0

Medium Clouds (% Sky Obscured)

40
44
56
0
0
0
0
11
6
11
0
0
0
0
31
52
53
54
33
21
3
22
14
0

High Clouds (% Sky Obscured)

40
51
65
100
91
95
46
14
7
13
0
0
4
37
2
0
0
0
0
0
0
3
3
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
16
6
13
3
1
14
2
1
10
1
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)

2
2
4
4
3
3
3
3
4
5
9
10
11
11
11
11
11
11
10
10
11
10
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
2
2
1
1
0
-0
0
3
4
4
6
7
8
8
8
8
7
9
8
7
4
3

Dew Point (°C)

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

Relative Humidity (%)

82
88
90
89
93
94
94
94
94
83
70
65
65
61
60
62
66
67
71
73
76
81
78
85

Pressure (mb)

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

Ozone (du)

390
390
391
392
392
393
394
396
396
397
399
400
399
398
399
397
397
397
398
398
398
397
396
395

Monday 20

Waxing Crescent 24%

07:53

01:11

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

Sun - Rise: 05:57, Set: 20:14, Transit: 13:05. Moon - Rise: 07:53, Set: 01:11. Civil Dark: 20:50 - 05:20. Nautical Dark: 21:36 - 04:34. Astro Dark: 22:30 - 03:41

Total Clouds (% Sky Obscured)

17
36
52
65
67
74
80
73
71
66
50
46
100
98
79
60
68
50
10
0
0
0
0
0

Low Clouds (% Sky Obscured)

17
36
52
65
67
74
80
73
71
66
50
46
100
95
49
55
42
50
10
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
40
38
6
31
2
2
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
1
20
14
20
25
45
55
0
0
0
4
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
0
0
0
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
2
19
24
6
2
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)

9
9
9
8
8
9
9
10
11
13
14
16
16
17
16
18
18
18
18
18
17
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
1
1
1
-0
0
0
2
3
4
6
6
7
9
9
9
8
7
5
3
2

Dew Point (°C)

5
5
4
4
4
3
4
3
4
4
4
4
4
5
7
8
6
7
7
7
6
5
3
2

Relative Humidity (%)

94
98
98
98
100
98
100
98
96
93
84
75
67
66
76
75
61
64
65
69
71
73
74
75

Pressure (mb)

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

Ozone (du)

395
395
395
396
396
397
397
397
398
399
397
396
395
394
394
394
394
395
394
394
394
394
396
396

Tuesday 21

Waxing Crescent 35%

09:04

02:14

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

Sun - Rise: 05:55, Set: 20:16, Transit: 13:05. Moon - Rise: 09:04, Set: 02:14. Civil Dark: 20:52 - 05:18. Nautical Dark: 21:39 - 04:32. Astro Dark: 22:33 - 03:37

Total Clouds (% Sky Obscured)

0
0
15
47
60
67
73
73
63
65
67
65
66
70
55
45
15
5
6
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
15
47
60
67
73
73
59
29
24
20
16
15
2
2
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
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
1
1
5
2
1
4
14
15
15
20
15
15
15
5
3
2
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)

14
14
14
14
14
13
12
13
13
14
16
18
19
19
19
19
18
17
17
16
14
13
12
12

Chance of Frost

Temperature (°C)

5
4
4
4
3
3
3
3
4
5
8
10
12
13
14
14
15
15
14
13
12
10
9
7

Feels Like (°C)

1
0
-1
-1
-1
0
-1
-1
-0
1
2
4
6
7
7
8
9
10
10
10
9
7
5
4

Dew Point (°C)

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

Relative Humidity (%)

80
85
88
89
91
96
96
98
94
88
79
71
63
57
57
56
60
60
63
65
66
68
69
74

Pressure (mb)

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

Ozone (du)

394
391
388
387
385
383
382
380
379
378
379
379
378
378
378
377
375
372
371
371
371
370
370
371

Wednesday 22

Waxing Crescent 46%

10:27

02:58

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

Sun - Rise: 05:53, Set: 20:17, Transit: 13:05. Moon - Rise: 10:27, Set: 02:58. Civil Dark: 20:54 - 05:16. Nautical Dark: 21:41 - 04:29. Astro Dark: 22:36 - 03:34

Total Clouds (% Sky Obscured)

0
0
9
21
36
44
52
61
48
34
25
19
13
11
9
5
0
0
0
0
0
0
0
26

Low Clouds (% Sky Obscured)

0
0
9
21
36
44
52
61
48
34
25
19
13
11
9
5
0
0
0
0
0
0
0
21

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
3

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
0
0
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
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)

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

Chance of Frost

Temperature (°C)

6
5
4
4
3
2
2
2
2
4
6
8
10
11
13
14
14
15
14
13
12
10
8
6

Feels Like (°C)

3
2
0
0
0
0
-0
-0
-0
1
3
5
6
8
10
11
12
11
12
11
9
7
6
4

Dew Point (°C)

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

Relative Humidity (%)

76
79
82
86
91
91
94
98
93
82
72
64
61
59
59
59
59
59
66
69
71
76
84
86

Pressure (mb)

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

Ozone (du)

373
376
380
382
384
386
387
388
387
386
385
384
383
382
381
380
378
377
376
373
372
371
369
370

Thursday 23

Waxing Crescent 58%

11:53

03:27

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

Sun - Rise: 05:51, Set: 20:19, Transit: 13:05. Moon - Rise: 11:53, Set: 03:27. Civil Dark: 20:56 - 05:14. Nautical Dark: 21:43 - 04:26. Astro Dark: 22:39 - 03:31

Total Clouds (% Sky Obscured)

52
73
73
74
74
87
91
96
96
98
97
90
77
68
52
32
13
12
12
11
12
8
10
12

Low Clouds (% Sky Obscured)

45
67
68
65
69
75
81
79
79
75
71
63
56
48
35
22
9
6
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
16
22
23
23
40
51
65
70
65
65
49
31
16
8
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
5
7
10
12
31
55
73
61
69
59
49
32
21
15
10
6
12
12
11
12
8
10
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
2
1
1
1
1
1
2
2
4
6
8
9
10
10
11
11
11
11
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
94
94
94
93
94
89
79
70
64
60
56
55
56
57
58
62
67
73
78
85
90

Pressure (mb)

1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1024
1024
1025

Ozone (du)

370
372
373
373
374
375
376
376
373
369
367
369
369
369
370
371
372
373
373
373
374
375
376
377

Friday 24

First Quarter 68%

13:17

03:47

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

Sun - Rise: 05:49, Set: 20:21, Transit: 13:05. Moon - Rise: 13:17, Set: 03:47. Civil Dark: 20:58 - 05:11. Nautical Dark: 21:45 - 04:24. Astro Dark: 22:42 - 03:27

Total Clouds (% Sky Obscured)

10
2
5
7
10
25
43
61
41
24
8
20
26
31
35
45
49
51
51
53
35
18
1
0

Low Clouds (% Sky Obscured)

0
0
2
4
6
20
37
52
37
19
0
13
26
31
35
41
39
44
48
51
34
17
0
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
0
0
0
0

High Clouds (% Sky Obscured)

10
2
5
5
6
5
4
3
3
2
4
2
1
0
1
2
3
6
6
14
12
9
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)

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

Chance of Frost

Temperature (°C)

6
5
4
4
3
3
3
3
3
5
8
11
13
14
16
16
16
17
16
14
13
11
9
7

Feels Like (°C)

7
6
6
2
1
2
1
0
-0
1
3
4
5
7
8
15
14
14
14
13
13
11
11
11

Dew Point (°C)

5
4
3
2
2
1
1
1
0
1
2
4
5
6
7
8
8
9
9
9
10
8
7
6

Relative Humidity (%)

90
91
91
91
91
91
89
86
85
75
67
59
58
57
56
58
59
60
66
71
78
83
87
93

Pressure (mb)

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

Ozone (du)

379
381
382
385
388
390
391
391
392
394
395
397
399
401
403
402
401
399
398
397
395
395
394
394

Saturday 25

Waxing Gibbous 78%

14:37

04:03

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

Sun - Rise: 05:47, Set: 20:22, Transit: 13:04. Moon - Rise: 14:37, Set: 04:03. Civil Dark: 21:00 - 05:09. Nautical Dark: 21:47 - 04:21. Astro Dark: 22:45 - 03:24

Total Clouds (% Sky Obscured)

0
0
12
24
35
35
35
34
44
53
56
54
54
54
59
60
60
55
54
54

Low Clouds (% Sky Obscured)

0
0
11
23
34
31
28
24
31
36
40
42
46
50
51
51
49
47
41
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
3
2
4
5
5
5
6
9
13
17
20
19

High Clouds (% Sky Obscured)

0
0
8
9
6
2
3
4
3
3
2
2
2
2
28
57
60
55
54
54

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
4
3
3
3
2
2
2
4
6
8
9
10
11
12
12
12
12
11

Feels Like (°C)

9
8
7
2
2
1
1
1
1
1
2
3
4
4
5
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
94
94
94
93
94
93
83
74
66
63
59
55
55
55
56
61
67

Pressure (mb)

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

Ozone (du)

392
390
389
389
389
389
388
388
387
384
381
378
377
375
374
374
374
375
375
376

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 19/04/26 23:39:23. Forecast: 19/04/26 to 25/04/26. Timezone: UTC+1.00