Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 29%

12:54

22:53

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
10 OK
11 OK
12 Bad
13 Bad

Sun - Rise: 11:37, Set: 15:11, Transit: 13:25. Moon - Rise: 12:54, Set: 22:53. Civil Dark: 16:39 - 10:10. Nautical Dark: 17:51 - 08:57. Astro Dark: 18:54 - 07:55

Total Clouds (% Sky Obscured)

99
100
94
83
86
84
79
82
87
100
100
100
100
100
100
74
62
63
82
44
11
25
32
87

Low Clouds (% Sky Obscured)

98
72
63
77
79
80
72
72
82
100
94
100
100
91
76
74
59
52
75
40
9
24
32
85

Medium Clouds (% Sky Obscured)

59
54
48
38
43
41
40
53
68
89
93
100
100
100
99
25
15
28
26
9
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
7
86
99
100
100
30
30
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
2
4
6
4
2
0
0
1
0
6
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
1
0
0
0
0
0
0
8
28
25
1
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

5
6
18
21
31
32
50
95
95
95
95
95
95
95
95
53
53
24
14
14
27
12
9
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
1
1.2
1.1
0.9
1.8
3.4
2.2
0.5
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
17
21
22
21
22
20
23
21
19
16
19
15
14
13
12
15
16
19
20
21
21
19

Chance of Frost

Temperature (°C)

8
8
8
8
7
8
7
8
8
8
8
7
3
1
1
2
2
2
1
2
2
2
1
1

Feels Like (°C)

1
2
1
1
0
1
0
2
0
-1
0
-1
-4
-6
-6
-5
-3
-5
-5
-6
-6
-6
-6
-6

Dew Point (°C)

6
6
5
4
4
5
5
5
5
5
5
5
1
1
1
1
1
0
-3
-4
-4
-4
-4
-5

Relative Humidity (%)

87
84
77
77
81
81
82
81
85
84
84
84
83
96
96
94
93
89
71
69
68
68
67
67

Pressure (mb)

1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1016
1015
1016
1018
1020
1022
1023
1024
1025
1026
1026
1028
1030
1031

Ozone (du)

272
278
285
293
298
295
296
295
299
290
291
289
303
318
319
337
347
344
338
333
337
340
329
317

Friday 26

Waxing Crescent 39%

12:43

00:38

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

Sun - Rise: 11:37, Set: 15:12, Transit: 13:25. Moon - Rise: 12:43, Set: 00:38. Civil Dark: 16:39 - 10:10. Nautical Dark: 17:52 - 08:57. Astro Dark: 18:55 - 07:55

Total Clouds (% Sky Obscured)

41
41
32
38
77
31
61
73
24
79
76
21
56
53
27
47
74
74
90
95
76
91
99
97

Low Clouds (% Sky Obscured)

41
41
32
35
23
20
18
17
21
29
26
7
10
17
22
33
28
25
33
42
49
52
52
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
20
7
3
0
0
0
0
0
0
0
0
4
31
44
1
36
39
35

High Clouds (% Sky Obscured)

0
0
0
1
24
7
20
24
1
10
20
7
41
52
7
11
25
15
15
16
76
91
77
17

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 (%)

16
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
6
3

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)

19
17
14
14
12
11
10
8
7
6
7
7
7
7
6
6
6
7
8
7
8
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-5
-4
-4
-3
-4
-3
-3
-4
-3
-5
-5
-4
-5
-4
-4
-3
-5
-4
-5
-4
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

68
69
69
69
73
74
77
80
81
83
83
83
83
84
84
84
86
84
86
86
86
87
88
89

Pressure (mb)

1033
1035
1036
1038
1039
1040
1041
1043
1044
1045
1045
1046
1046
1046
1046
1046
1046
1046
1046
1045
1044
1044
1044
1044

Ozone (du)

312
307
296
287
291
288
282
280
281
275
272
269
262
261
261
257
254
253
251
251
250
248
243
244

Saturday 27

First Quarter 50%

12:31

02:26

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 11:36, Set: 15:14, Transit: 13:26. Moon - Rise: 12:31, Set: 02:26. Civil Dark: 16:41 - 10:10. Nautical Dark: 17:53 - 08:57. Astro Dark: 18:56 - 07:55

Total Clouds (% Sky Obscured)

94
96
95
93
93
93
100
100
100
100
90
95
94
100
98
84
99
100
99
99
99
87
89
96

Low Clouds (% Sky Obscured)

61
86
92
91
92
93
91
99
100
95
81
89
91
100
95
84
99
100
98
98
95
87
88
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
48
25
24
61
75
59
29
45
43
41
40
37
31
40
23
26
32

High Clouds (% Sky Obscured)

30
38
47
24
39
17
10
18
7
79
13
10
0
0
0
0
0
0
0
5
9
13
10
6

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
3
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
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 (%)

5
3
4
12
20
12
27
38
52
35
26
30
28
17
14
8
21
30
35
32
29
25
19
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
-1
-1
-1
-0
0
0
1
1
2
3
3
4
5
4
3
4
3
4
4
4
4
4
4

Relative Humidity (%)

86
86
86
83
83
83
82
83
85
88
89
91
94
96
96
88
90
89
91
93
93
93
93
94

Pressure (mb)

1043
1042
1042
1041
1040
1039
1039
1038
1038
1037
1037
1036
1036
1035
1035
1034
1035
1035
1035
1035
1035
1035
1036
1036

Ozone (du)

248
250
251
250
247
246
247
255
260
265
268
272
283
292
299
306
308
306
301
296
295
294
291
288

Sunday 28

Waxing Gibbous 62%

12:17

04:21

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 11:35, Set: 15:15, Transit: 13:26. Moon - Rise: 12:17, Set: 04:21. Civil Dark: 16:42 - 10:09. Nautical Dark: 17:54 - 08:57. Astro Dark: 18:57 - 07:55

Total Clouds (% Sky Obscured)

95
96
97
98
90
82
99
99
100
99
99
99
98
99
99
99
96
95
92
93
95
82
94
87

Low Clouds (% Sky Obscured)

91
89
87
85
81
77
93
95
97
98
93
89
80
88
92
97
93
89
85
88
90
82
86
76

Medium Clouds (% Sky Obscured)

40
44
45
45
41
37
38
35
36
32
35
42
50
45
32
18
13
8
3
2
1
0
0
0

High Clouds (% Sky Obscured)

3
9
12
17
11
7
5
5
19
12
27
36
46
33
55
60
75
50
9
36
27
10
30
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
4
1
1
0
3
5
7

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 (%)

8
19
20
16
21
21
15
16
14
10
11
11
9
11
12
9
16
23
14
11
14
5
8
7

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
5
5
5
5
5
5
5
5
6
6
6
5
5
5
6
6
6
5
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
93
93
93
93
93
90
90
90
89
91
93
93
93
93
94
96
96
96
94
94
93

Pressure (mb)

1035
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1035
1035
1035
1036
1036

Ozone (du)

289
287
285
284
281
281
282
285
284
284
286
287
288
288
287
287
288
292
292
290
291
290
289
290

Monday 29

Waxing Gibbous 73%

11:57

06:32

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 11:34, Set: 15:17, Transit: 13:27. Moon - Rise: 11:57, Set: 06:32. Civil Dark: 16:43 - 10:09. Nautical Dark: 17:55 - 08:57. Astro Dark: 18:58 - 07:54

Total Clouds (% Sky Obscured)

71
94
97
90
96
100
100
100
100
100
99
98
98
97
96
97
96
95
94
88
83
77
83
89

Low Clouds (% Sky Obscured)

62
78
81
78
83
86
87
89
92
94
92
90
87
81
79
78
76
74
75
75
75
75
68
61

Medium Clouds (% Sky Obscured)

0
20
44
65
60
60
65
65
70
70
58
37
15
28
40
53
47
43
39
26
14
1
22
44

High Clouds (% Sky Obscured)

17
41
66
90
92
91
90
88
85
82
56
29
3
18
33
48
48
48
48
34
21
7
14
21

ISS Passover

Visibility (miles)

7
9
9
9
7
8
8
1
0
0
1
4
7
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 (%)

3
5
4
11
11
5
5
3
2
2
7
6
1
3
5
3
5
4
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
89
86
85
91
98
100
98
96
96
94
94
93
91
88
86
83
81
80
80
78
80

Pressure (mb)

1036
1036
1036
1036
1036
1036
1037
1037
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1037
1037
1037
1037

Ozone (du)

292
291
291
290
291
292
291
291
292
292
293
293
293
293
293
292
292
292
291
291
290
290
289
290

Tuesday 30

Waxing Gibbous 83%

11:04

09:27

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 11:33, Set: 15:19, Transit: 13:27. Moon - Rise: 11:04, Set: 09:27. Civil Dark: 16:44 - 10:08. Nautical Dark: 17:57 - 08:56. Astro Dark: 18:59 - 07:54

Total Clouds (% Sky Obscured)

95
89
85
80
83
86
90
91
92
92
89
88
87
84
82
80
80
82
83
86
90
94
94
93

Low Clouds (% Sky Obscured)

55
62
69
78
76
74
68
73
81
89
81
71
62
51
43
37
56
67
79
80
85
88
90
91

Medium Clouds (% Sky Obscured)

65
43
23
0
14
28
43
40
34
29
20
10
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

28
19
9
0
0
0
0
0
0
0
0
0
0
1
2
6
2
1
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
1
1
0
0
0
0
2
3
1
4
3
2
4
4
1
9
11

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)

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

Chance of Frost

Temperature (°C)

-0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
1
1
1
1
1

Feels Like (°C)

-4
-4
-5
-5
-5
-4
-4
-3
-3
-4
-5
-4
-4
-3
-3
-3
-4
-3
-3
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

81
83
83
84
87
86
86
86
84
83
81
83
84
86
86
87
86
87
89
88
88
88
89
88

Pressure (mb)

1037
1036
1036
1036
1036
1036
1036
1036
1036
1035
1035
1035
1035
1034
1034
1034
1034
1033
1033
1032
1032
1032
1032
1031

Ozone (du)

290
291
290
289
288
285
281
278
277
277
276
276
275
274
273
273
272
273
274
275
275
275
275
274

Wednesday 31

Waxing Gibbous 91%

No Rise

No Set

14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 11:32, Set: 15:21, Transit: 13:28. Moon - Rise: No Rise, Set: No Set. Civil Dark: 16:46 - 10:08. Nautical Dark: 17:58 - 08:56. Astro Dark: 19:00 - 07:54

Total Clouds (% Sky Obscured)

91
84
70
36
40
47
54
67
82
96
97
98
99
99
100
100

Low Clouds (% Sky Obscured)

90
84
70
36
40
47
54
67
76
87
87
88
89
75
60
50

Medium Clouds (% Sky Obscured)

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
29
58
86
91
95
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

8
10
11
11
11
10
4
7
8
7
7
6
0
2
2
1

Precipitation Amount (mm)

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
5
5
5
5
6
6
6
6
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
86
86
86
88
88
86
81
80
81
81
81
83
83

Pressure (mb)

1031
1031
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026
1025
1024
1023

Ozone (du)

274
273
271
269
266
268
269
270
273
276
279
279
278
277
276
275

Forecast for Bordeyri, Republic of Iceland (65.15,-21.06)

Generated: 25/12/25 14:02:21. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+0.00