Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 12%

11:38

19:10

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 09:14, Set: 15:36, Transit: 12:25. Moon - Rise: 11:38, Set: 19:10. Civil Dark: 16:29 - 08:21. Nautical Dark: 17:22 - 07:28. Astro Dark: 18:11 - 06:39

Total Clouds (% Sky Obscured)

98
99
99
98
100
100
99
100
100
98
97
95
92
89
88
97
90
95
91
52
65
75
85
48

Low Clouds (% Sky Obscured)

86
89
79
63
70
63
66
74
66
70
80
85
82
84
83
78
78
89
86
44
18
35
43
38

Medium Clouds (% Sky Obscured)

82
78
69
94
100
100
97
100
99
94
64
76
32
24
14
8
0
3
19
0
0
0
1
0

High Clouds (% Sky Obscured)

63
82
76
98
100
100
87
89
100
55
16
3
2
3
3
50
52
34
6
9
57
47
39
5

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
34
44
47
91
88
95
86
80
79
81
97
84
98
98
97
98

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
1
4
7
7
4
5
5
14
14
1
1
0
2
0
1
2
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)

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

Chance of Frost

Temperature (°C)

8
8
9
9
9
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7

Feels Like (°C)

6
6
7
7
7
7
6
6
7
6
6
6
6
6
6
7
6
6
6
6
7
8
6
5

Dew Point (°C)

6
6
6
7
6
6
6
6
6
6
7
7
7
7
7
7
6
6
6
6
6
6
6
5

Relative Humidity (%)

85
85
84
85
84
87
88
90
90
90
93
93
94
94
94
94
93
93
93
93
91
91
93
91

Pressure (mb)

1022
1023
1024
1024
1025
1026
1027
1028
1029
1030
1031
1031
1032
1033
1034
1034
1035
1035
1036
1036
1036
1037
1037
1038

Ozone (du)

324
322
322
317
313
311
309
305
302
300
301
305
308
308
302
302
300
296
296
294
291
292
294
294

Wednesday 24

Waxing Crescent 19%

11:43

20:40

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 09:14, Set: 15:37, Transit: 12:26. Moon - Rise: 11:43, Set: 20:40. Civil Dark: 16:30 - 08:22. Nautical Dark: 17:23 - 07:28. Astro Dark: 18:12 - 06:40

Total Clouds (% Sky Obscured)

46
45
48
55
44
94
94
100
100
100
100
100
100
100
99
97
96
98
98
97
96
93
69
57

Low Clouds (% Sky Obscured)

33
35
41
46
44
50
50
55
61
60
55
61
56
56
49
46
45
51
59
70
73
66
69
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
2
4
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

2
4
4
6
4
44
48
75
66
65
63
55
50
54
64
50
51
67
45
50
45
50
23
10

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 (%)

100
100
100
100
100
86
6
6
3
2
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
2
2
0
2
1
0
2
2
1
0
0
3
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)

2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
1
2
1
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
6
6
5
5
5
5
6
6
6
6
6
6
6
5
5
5

Feels Like (°C)

8
8
9
9
8
8
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
93
93
93
93
93
91
91
91
91
91
91
90
90
90
90
90
88
90

Pressure (mb)

1039
1039
1039
1039
1039
1039
1039
1039
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1039
1039
1039
1039
1039

Ozone (du)

294
290
285
280
278
278
279
279
279
280
281
281
281
282
285
284
284
285
285
284
283
283
281
281

Thursday 25

Waxing Crescent 28%

11:46

22:09

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 09:14, Set: 15:38, Transit: 12:26. Moon - Rise: 11:46, Set: 22:09. Civil Dark: 16:30 - 08:22. Nautical Dark: 17:24 - 07:29. Astro Dark: 18:12 - 06:40

Total Clouds (% Sky Obscured)

61
80
60
67
57
57
91
80
56
54
48
52
48
53
50
58
63
73
82
88
88
83
82
79

Low Clouds (% Sky Obscured)

61
76
60
67
57
57
69
64
56
54
48
52
48
53
50
58
63
73
82
81
81
82
82
79

Medium Clouds (% Sky Obscured)

2
2
0
0
3
0
0
23
0
0
0
0
0
0
0
0
4
4
7
4
3
2
0
0

High Clouds (% Sky Obscured)

5
34
30
33
6
10
50
28
0
0
0
0
0
0
0
2
6
16
47
51
41
31
16
14

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
19
84
88
90
95
96
95
93
93
93
93
93
93
93
93
93
93

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)

2
2
1
1
1
1
1
1
2
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
4
5
5
5
5
4
5
5
4
5
5
5
5
4
4
4
4
4
4
3
3
2

Relative Humidity (%)

89
90
88
88
88
88
90
90
91
91
91
91
91
93
93
93
93
93
94
93
94
94
94
93

Pressure (mb)

1039
1039
1039
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1039
1039

Ozone (du)

281
281
281
280
281
282
285
286
287
288
288
289
289
289
289
291
291
290
290
289
288
289
289
289

Friday 26

Waxing Crescent 39%

11:48

23:38

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

Sun - Rise: 09:14, Set: 15:39, Transit: 12:27. Moon - Rise: 11:48, Set: 23:38. Civil Dark: 16:31 - 08:22. Nautical Dark: 17:24 - 07:29. Astro Dark: 18:13 - 06:40

Total Clouds (% Sky Obscured)

71
68
70
59
56
51
44
37
53
54
74
83
71
75
71
78
84
89
95
100
90
79
49
49

Low Clouds (% Sky Obscured)

71
68
70
59
56
51
44
37
53
54
70
67
61
57
58
63
76
75
75
80
63
52
45
49

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
3
15
4
3
3
3
3
14
3
18
34
6
10
14
18
30
51
78
96
71
39
7
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 (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

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
4
1
0
1
0
0
1
1
0
2
2
0
1
3
2
11
16
16
14
10
2
1

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
3
4
4
4
4
5
4
4
4
4
4
4
4
4
5
7
10
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
91
89
89
89
91
93
93
94
93
93
91
91
91
86
76
75
76
75
79
80
80

Pressure (mb)

1039
1039
1039
1039
1040
1040
1040
1041
1041
1042
1042
1043
1043
1043
1043
1043
1043
1043
1043
1044
1044
1044
1044
1045

Ozone (du)

289
288
288
288
287
286
285
286
286
286
286
285
286
285
286
284
283
282
282
282
283
283
279
274

Saturday 27

First Quarter 50%

11:50

01:09

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

Sun - Rise: 09:14, Set: 15:40, Transit: 12:27. Moon - Rise: 11:50, Set: 01:09. Civil Dark: 16:32 - 08:22. Nautical Dark: 17:25 - 07:29. Astro Dark: 18:14 - 06:40

Total Clouds (% Sky Obscured)

58
63
64
58
68
67
60
61
69
67
59
46
35
25
28
31
34
22
11
0
16
32
48
53

Low Clouds (% Sky Obscured)

58
63
64
58
68
67
60
61
69
67
59
46
35
25
28
31
34
22
11
0
16
32
48
53

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)

1
1
3
5
19
15
3
1
12
11
4
1
1
3
3
3
4
1
4
0
3
3
3
3

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 (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
78
78
81
83
85
85
85
85
83
85
85
86
86
86
86
86
85
85
86
86
88
88

Pressure (mb)

1045
1045
1045
1044
1044
1044
1044
1044
1043
1043
1043
1043
1043
1043
1042
1042
1042
1042
1041
1041
1041
1041
1041
1040

Ozone (du)

269
268
266
267
267
269
269
267
266
266
265
264
265
267
270
271
272
273
272
272
272
271
270
269

Sunday 28

Waxing Gibbous 61%

11:53

02:45

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 09:14, Set: 15:41, Transit: 12:27. Moon - Rise: 11:53, Set: 02:45. Civil Dark: 16:33 - 08:22. Nautical Dark: 17:26 - 07:29. Astro Dark: 18:15 - 06:40

Total Clouds (% Sky Obscured)

59
64
62
61
61
62
65
70
76
81
85
80
75
71
74
78
83
83
83
83
85
87
89
90

Low Clouds (% Sky Obscured)

59
64
61
58
55
59
63
68
73
77
82
78
72
68
73
78
83
83
83
83
85
87
89
90

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
2
2
2
2
2
1
0
0
0
0
0
0
2
7
12
17
15
9
10
4
3
2
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 (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

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
3
4
4
11
14
16
15
15
15
17
17
17
20
22
22
22
20
18
20
22
24
24

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
4
5
4
4
4
4
4
3
4
4
5
5
4
5
4
4
4
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

3
4
5
5
5
5
5
5
4
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
91
88
85
82
83
86
88
88
85
85
85
85
83
85
86
86
85
83
82
82
83
83

Pressure (mb)

1040
1040
1040
1039
1039
1039
1038
1038
1038
1038
1038
1038
1038
1038
1037
1037
1037
1037
1037
1036
1036
1036
1037
1037

Ozone (du)

269
269
270
269
268
267
267
267
266
267
268
269
269
269
268
269
270
271
272
274
276
277
277
278

Monday 29

Waxing Gibbous 72%

11:57

04:28

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
05 Bad

Sun - Rise: 09:14, Set: 15:42, Transit: 12:28. Moon - Rise: 11:57, Set: 04:28. Civil Dark: 16:34 - 08:22. Nautical Dark: 17:27 - 07:29. Astro Dark: 18:16 - 06:40

Total Clouds (% Sky Obscured)

91
92
93
94
95
95
96
96
98
99
100
99
98
96
97
97
97
94
91
88

Low Clouds (% Sky Obscured)

91
92
93
94
95
95
96
96
97
99
100
97
94
91
91
90
92
84
75
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
30
41
40
35
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
6
10
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
25
24
24
23
22
20
18
20
20
19
19
18
16
16
15
14
22
24
21

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

Chance of Frost

Temperature (°C)

4
4
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
5
5

Feels Like (°C)

1
2
2
1
2
1
1
1
2
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

80
79
76
76
75
73
73
72
71
69
68
66
63
63
62
61
61
61
61
61

Pressure (mb)

1037
1037
1037
1037
1037
1037
1037
1037
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038

Ozone (du)

279
281
282
285
289
292
300
309
317
321
325
329
333
337
341
341
341
341
338
336

Forecast for Barvas, Western Isles, United Kingdom (58.35,-6.52)

Generated: 23/12/25 10:44:55. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+0.00