Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 24%

07:57

01:12

19 OK
20 OK
21 Bad
22 OK
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 Bad
16 Bad
17 Bad
18 OK

Sun - Rise: 06:00, Set: 20:14, Transit: 13:08. Moon - Rise: 07:57, Set: 01:12. Civil Dark: 20:50 - 05:23. Nautical Dark: 21:36 - 04:38. Astro Dark: 22:28 - 03:45

Total Clouds (% Sky Obscured)

44
38
43
32
4
0
28
48
60
70
69
67
96
70
71
64
73
90
100
85
81
66
46
39

Low Clouds (% Sky Obscured)

37
23
42
21
0
0
27
48
60
70
69
67
96
69
70
63
72
78
91
56
56
54
46
39

Medium Clouds (% Sky Obscured)

37
26
27
18
4
0
0
0
0
0
0
0
0
0
0
0
0
24
48
37
34
14
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
2
15
42
55
26
47
6
4
1
0
1
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
3
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
4
17
18
4
1
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
8
8
8
8
7
7
7
8
8
8
9
12
15
15
17
18
17
17
19
18
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
85
90
90
91
93
94
96
96
96
96
96
98
94
88
75
69
70
75
75
71
67
68
69

Pressure (mb)

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

Ozone (du)

399
400
400
400
399
400
400
400
400
399
399
400
401
401
400
399
398
396
395
394
393
392
391
390

Tuesday 21

Waxing Crescent 35%

09:08

02:15

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

Sun - Rise: 05:57, Set: 20:16, Transit: 13:07. Moon - Rise: 09:08, Set: 02:15. Civil Dark: 20:52 - 05:21. Nautical Dark: 21:38 - 04:35. Astro Dark: 22:31 - 03:41

Total Clouds (% Sky Obscured)

8
10
36
12
3
0
0
35
56
66
72
77
68
32
19
4
33
26
58
46
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
35
56
64
72
77
68
32
19
4
33
24
12
3
4
13
10
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)

8
10
32
11
3
0
0
0
5
4
0
1
19
20
10
4
10
17
55
46
100
100
100
95

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
71
69
71
78
80
83
86
91
94
94
93
88
81
72
66
61
58
60
61
65
67
67

Pressure (mb)

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

Ozone (du)

390
391
393
395
396
393
393
393
391
389
387
386
385
382
379
377
378
379
380
379
375
373
373
372

Wednesday 22

Waxing Crescent 32%

10:30

02:59

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

Sun - Rise: 05:55, Set: 20:17, Transit: 13:07. Moon - Rise: 10:30, Set: 02:59. Civil Dark: 20:54 - 05:19. Nautical Dark: 21:40 - 04:32. Astro Dark: 22:34 - 03:38

Total Clouds (% Sky Obscured)

100
100
95
91
88
84
78
36
24
41
62
68
71
55
51
21
1
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
32
50
65
66
52
45
21
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
45
40
35
25
23
21
11
8
6
3
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
90
77
81
10
10
48
18
2
2
5
0
1
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
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)

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

Chance of Frost

Temperature (°C)

13
11
10
8
8
7
6
5
4
4
3
3
3
5
7
9
11
13
15
15
16
16
16
15

Feels Like (°C)

9
8
7
6
5
5
3
2
2
2
1
0
2
3
4
6
8
10
11
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

71
75
78
79
84
87
83
86
88
91
93
94
93
83
74
69
64
61
59
58
59
62
68
72

Pressure (mb)

1026
1026
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1027

Ozone (du)

370
370
369
370
370
368
368
370
373
374
375
377
377
379
382
384
384
384
384
386
388
389
389
390

Thursday 23

Waxing Crescent 46%

11:56

03:29

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

Sun - Rise: 05:53, Set: 20:19, Transit: 13:07. Moon - Rise: 11:56, Set: 03:29. Civil Dark: 20:56 - 05:17. Nautical Dark: 21:42 - 04:30. Astro Dark: 22:37 - 03:35

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
15
23
21
26
23
17
9
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
15
23
21
26
23
17
9
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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
10
9
9
9
8
9
8
8
7
7
7
7
9
10
12
12
13
13
13
12
12
11
10

Chance of Frost

Temperature (°C)

14
12
10
8
8
7
6
5
4
3
3
3
2
4
6
8
10
12
14
15
15
16
16
15

Feels Like (°C)

12
10
8
6
6
5
4
3
2
2
1
1
1
2
3
4
7
9
11
12
13
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

73
79
83
84
85
88
88
91
91
91
91
91
86
75
67
62
59
56
57
56
57
59
65
72

Pressure (mb)

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

Ozone (du)

391
392
393
394
395
395
392
388
385
382
380
378
378
378
376
375
373
373
372
369
368
366
364
363

Friday 24

First Quarter 58%

13:20

03:49

19 Good
20 Good
21 Good
22 Good
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 Bad
16 OK
17 OK
18 OK

Sun - Rise: 05:51, Set: 20:21, Transit: 13:07. Moon - Rise: 13:20, Set: 03:49. Civil Dark: 20:57 - 05:15. Nautical Dark: 21:44 - 04:27. Astro Dark: 22:39 - 03:31

Total Clouds (% Sky Obscured)

2
1
2
2
2
3
31
59
86
93
96
100
62
67
76
66
57
49
49
49
49
44
45
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
28
57
85
93
92
95
59
60
61
48
42
34
32
32
34
31
27
20

Medium Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
2
4
33
59
76
66
57
49
49
49
49
44
45
43

High Clouds (% Sky Obscured)

2
1
2
2
2
3
7
12
2
12
25
25
45
15
15
5
5
5
15
20
30
35
45
35

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)

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

Chance of Frost

Temperature (°C)

14
12
10
8
7
6
5
4
3
2
2
2
2
4
6
7
9
10
12
12
13
13
13
12

Feels Like (°C)

13
11
9
7
6
4
3
2
1
1
-1
-2
-1
-1
-0
0
1
2
3
9
9
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

76
83
87
87
88
90
89
89
86
88
86
83
80
73
67
62
59
58
55
57
56
57
62
66

Pressure (mb)

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

Ozone (du)

363
364
365
364
365
364
363
362
361
361
361
361
362
363
363
364
366
368
369
370
371
372
373
373

Saturday 25

Waxing Gibbous 69%

14:40

04:05

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

Sun - Rise: 05:49, Set: 20:22, Transit: 13:07. Moon - Rise: 14:40, Set: 04:05. Civil Dark: 20:59 - 05:12. Nautical Dark: 21:46 - 04:25. Astro Dark: 22:42 - 03:28

Total Clouds (% Sky Obscured)

52
63
71
70
66
60
76
70
51
33
19
12
12
12
20
41
59
70
67
56
51
54
54
57

Low Clouds (% Sky Obscured)

24
29
28
19
10
4
12
13
14
16
19
12
12
12
20
41
59
70
67
56
49
51
51
52

Medium Clouds (% Sky Obscured)

52
63
71
70
66
60
49
41
35
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
10
5
0
0
0
33
67
51
33
19
0
0
0
0
0
0
0
0
0
0
5
9
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
7
8
7
10
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
10
9
9
8
7
5
5
4
4
4
4
6
7
7
8
8
9
14
15
15
14
15

Dew Point (°C)

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

Relative Humidity (%)

73
74
74
75
77
79
81
81
82
80
80
82
83
78
74
69
66
63
60
60
59
57
64
71

Pressure (mb)

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

Ozone (du)

374
373
373
372
370
368
367
368
370
372
372
372
371
371
371
371
373
374
375
377
379
381
382
383

Sunday 26

Waxing Gibbous 78%

15:57

04:17

19 Bad
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:48, Set: 20:24, Transit: 13:07. Moon - Rise: 15:57, Set: 04:17. Civil Dark: 21:01 - 05:10. Nautical Dark: 21:49 - 04:22. Astro Dark: 22:45 - 03:25

Total Clouds (% Sky Obscured)

45
36
27
44
52
53
38
25
20
24
30
37
48
58
68
78
88
98

Low Clouds (% Sky Obscured)

37
23
6
13
20
28
27
23
17
20
20
19
19
20
24
27
28
30

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)

8
4
0
0
0
0
0
0
0
1
1
2
4
8
18
30
39
45

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 (%)

7
6
7
4
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
12
11
11
10
10
9
6
6
6
5
5
4
3
4
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

77
83
87
90
88
87
85
88
90
91
91
94
94
88
82
77
72
67

Pressure (mb)

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

Ozone (du)

384
383
381
380
379
379
379
377
376
375
374
373
372
372
372
372
373
374

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 20/04/26 19:22:05. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+1.00