Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 23%

10:31

23:02

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

Sun - Rise: 05:24, Set: 21:08, Transit: 13:16. Moon - Rise: 10:31, Set: 23:02. Civil Dark: 21:49 - 04:43. Nautical Dark: 22:44 - 03:48. Astro Dark: 00:11 - 02:25

Total Clouds (% Sky Obscured)

6
5
5
2
1
10
3
1
13
30
51
21
17
11
0
0
2
18
2
3
0
2
8
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
2
1
0
22
28
21
17
11
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
1
7
2
0
9
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0

High Clouds (% Sky Obscured)

1
3
3
2
0
0
0
0
3
16
39
0
0
0
0
0
2
15
2
2
0
2
8
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
17
17
17
17
17
17
17
17
17
17
17
17
18
18
18
18
18
17
17

Feels Like (°C)

18
18
19
19
19
19
18
19
18
18
18
20
19
18
18
17
17
18
19
18
17
17
17
16

Dew Point (°C)

15
16
15
14
14
14
15
14
14
14
15
15
15
16
16
16
16
15
15
15
15
15
15
15

Relative Humidity (%)

83
86
83
78
79
82
85
83
83
83
86
88
88
92
93
92
90
86
83
82
83
83
83
83

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

334
333
333
332
329
330
332
333
332
329
328
330
332
337
339
336
332
331
330
330
331
333
336
338

Sunday 19

Waxing Crescent 33%

11:47

23:15

00 OK
01 Good
02 Good
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
19 OK
20 OK
21 Good
22 OK
23 Good

Sun - Rise: 05:25, Set: 21:07, Transit: 13:16. Moon - Rise: 11:47, Set: 23:15. Civil Dark: 21:47 - 04:45. Nautical Dark: 22:42 - 03:50. Astro Dark: 00:07 - 02:29

Total Clouds (% Sky Obscured)

29
10
6
75
69
100
100
100
100
100
100
100
100
100
100
61
38
37
39
40
19
3
21
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
8
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
4
2
5
15
100
100
98
78
76
55
25
1
38
40
19
3
19
2

High Clouds (% Sky Obscured)

29
9
5
75
69
100
100
100
100
100
100
100
100
100
100
4
3
37
37
2
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)

11
13
15
16
16
16
16
16
15
16
17
17
18
19
17
16
15
11
9
9
12
11
11
11

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
17
17
17
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

14
14
15
14
14
14
14
14
13
13
13
13
12
12
11
11
11
11
11
11
11
11
11
12

Relative Humidity (%)

82
83
86
85
85
83
83
83
79
78
78
78
77
74
71
69
71
69
65
65
69
71
71
72

Pressure (mb)

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

Ozone (du)

337
335
335
334
336
337
337
338
337
336
337
339
342
344
345
346
345
345
347
350
352
353
355
350

Monday 20

Waxing Crescent 43%

13:01

23:30

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

Sun - Rise: 05:26, Set: 21:06, Transit: 13:16. Moon - Rise: 13:01, Set: 23:30. Civil Dark: 21:46 - 04:46. Nautical Dark: 22:41 - 03:51. Astro Dark: 00:03 - 02:32

Total Clouds (% Sky Obscured)

2
2
3
55
85
45
78
72
71
37
22
20
42
15
3
3
4
3
7
5
3
2
2
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
3
3
3
3
2
2
0

Medium Clouds (% Sky Obscured)

2
0
1
0
0
0
0
52
64
31
9
15
2
15
2
0
2
3
6
2
1
0
0
0

High Clouds (% Sky Obscured)

0
2
2
55
85
45
76
70
17
4
11
2
33
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)

10
10
9
9
9
9
8
8
8
8
8
10
11
12
12
12
11
9
9
9
11
9
8
8

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18
17
17
17
17

Feels Like (°C)

16
16
16
16
15
14
17
16
16
16
17
16
16
14
15
15
16
17
17
17
16
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

72
72
71
72
74
77
79
81
81
81
78
79
81
81
79
79
77
72
67
66
67
70
70
71

Pressure (mb)

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

Ozone (du)

346
345
344
343
342
338
337
338
337
336
335
336
335
335
335
336
336
335
334
334
333
330
328
327

Tuesday 21

First Quarter 53%

14:14

23:47

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

Sun - Rise: 05:27, Set: 21:05, Transit: 13:16. Moon - Rise: 14:14, Set: 23:47. Civil Dark: 21:45 - 04:47. Nautical Dark: 22:39 - 03:53. Astro Dark: 23:56 - 02:36

Total Clouds (% Sky Obscured)

0
1
2
2
5
8
11
17
23
29
28
25
21
17
12
6
4
2
0
1
3
5
32
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
9
6
3
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
1
1
3
6
8
14
18
23
22
18
16
12
8
5
3
1
0
0
0
0
4
9

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
20
45

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18
18
18
17
17

Feels Like (°C)

17
17
17
16
17
17
16
16
17
17
17
17
17
16
16
16
16
17
17
18
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

72
73
74
79
81
81
78
79
83
88
88
89
88
85
79
74
72
68
64
62
60
64
71
74

Pressure (mb)

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

Ozone (du)

327
327
327
326
326
325
323
322
322
322
322
322
321
322
322
322
324
328
334
336
335
335
334
334

Wednesday 22

Waxing Gibbous 63%

15:26

00:07

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

Sun - Rise: 05:29, Set: 21:04, Transit: 13:16. Moon - Rise: 15:26, Set: 00:07. Civil Dark: 21:43 - 04:49. Nautical Dark: 22:37 - 03:55. Astro Dark: 23:53 - 02:40

Total Clouds (% Sky Obscured)

87
81
89
77
89
95
100
98
96
94
90
87
84
83
81
79
66
52
38
40
43
50
62
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
3
3
13
22
32
42
53

Medium Clouds (% Sky Obscured)

15
17
15
17
24
32
84
55
73
94
90
87
84
83
79
74
61
43
23
15
7
0
9
20

High Clouds (% Sky Obscured)

73
61
78
58
77
88
100
96
90
85
58
32
0
0
0
0
0
0
0
0
1
5
8
11

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)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18
18
18
18
18
18

Feels Like (°C)

18
18
17
16
16
15
15
15
15
15
15
16
15
15
15
15
16
16
16
16
19
19
18
18

Dew Point (°C)

13
13
14
15
15
14
14
13
13
12
12
13
13
13
13
13
13
14
14
14
14
14
14
14

Relative Humidity (%)

74
77
81
85
85
83
83
77
74
74
74
76
79
81
79
78
76
76
74
73
75
77
78
78

Pressure (mb)

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

Ozone (du)

333
331
330
328
328
328
328
328
328
329
331
331
333
335
342
348
354
353
352
351
348
345
343
341

Thursday 23

Waxing Gibbous 72%

16:37

00:07

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

Sun - Rise: 05:30, Set: 21:03, Transit: 13:16. Moon - Rise: 16:37, Set: 00:07. Civil Dark: 21:42 - 04:50. Nautical Dark: 22:35 - 03:57. Astro Dark: 23:49 - 02:43

Total Clouds (% Sky Obscured)

78
60
40
19
12
6
1
8
16
26
18
10
0
0
0
0
0
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

67
47
23
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

33
29
22
18
12
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
14
13
0
1
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
17
17
17
17
17
17
17
17
17
17
17
18
18
18
18
18
18
18

Feels Like (°C)

18
18
17
18
17
17
17
18
18
19
19
19
19
19
18
18
18
18
18
18
20
20
19
19

Dew Point (°C)

15
15
15
15
15
15
15
15
15
15
15
14
14
13
13
13
12
12
13
13
13
13
13
14

Relative Humidity (%)

80
80
81
82
85
85
85
86
86
86
85
83
81
79
76
74
72
71
72
72
72
74
76
78

Pressure (mb)

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

Ozone (du)

339
336
334
332
330
328
327
325
324
324
323
321
320
318
317
316
315
314
314
314
314
313
313
314

Friday 24

Waxing Gibbous 81%

17:45

00:33

Sun - Rise: 05:31, Set: 21:01, Transit: 13:16. Moon - Rise: 17:45, Set: 00:33. Civil Dark: 21:41 - 04:52. Nautical Dark: 22:33 - 03:59. Astro Dark: 23:46 - 02:46

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 18/07/26 00:13:13. Forecast: 18/07/26 to 24/07/26. Timezone: UTC+1.00