Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

New Moon 1%

10:56

17:00

15 OK
16 OK
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
14 Bad

Sun - Rise: 08:51, Set: 17:48, Transit: 13:18. Moon - Rise: 10:56, Set: 17:00. Civil Dark: 18:39 - 08:00. Nautical Dark: 19:37 - 07:02. Astro Dark: 20:34 - 06:05

Total Clouds (% Sky Obscured)

37
37
43
73
71
70
72
90
86
81
65
79
66
52
65
88
81
69
74
70
78
71
73
74

Low Clouds (% Sky Obscured)

30
37
43
70
68
67
69
73
69
69
65
66
65
48
62
75
68
66
64
70
77
69
69
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
40
31
16
0
11
0
0
0
22
19
0
7
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
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
7
8
8
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
Snow
Snow
Snow
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
7
12
17
15
34
47
33
23
26
10
3
3
18
16
16
5
9
15
11
14
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.3
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

27
25
21
24
23
23
24
24
24
23
23
23
24
23
21
20
20
21
21
20
21
21
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-7
-8
-8
-8
-8
-9
-9
-9
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

68
70
70
70
70
69
70
70
72
71
70
69
69
67
67
67
69
67
67
66
66
65
64
64

Pressure (mb)

1011
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1014

Ozone (du)

320
319
322
323
320
320
323
324
326
324
323
322
317
312
310
310
310
308
308
313
312
309
311
315

Wednesday 22

Waxing Crescent 4%

13:00

16:43

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 OK
13 OK
14 OK

Sun - Rise: 08:55, Set: 17:44, Transit: 13:18. Moon - Rise: 13:00, Set: 16:43. Civil Dark: 18:36 - 08:02. Nautical Dark: 19:33 - 07:05. Astro Dark: 20:30 - 06:08

Total Clouds (% Sky Obscured)

88
78
84
77
78
95
99
90
88
81
78
81
80
65
60
71
72
61
64
43
33
25
26
35

Low Clouds (% Sky Obscured)

86
76
79
71
70
61
69
66
82
75
70
77
77
57
56
71
71
61
64
43
32
25
26
35

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
4
4
64
93
76
46
29
34
68
80
41
13
4
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
5
9
9
9
9
8
8
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 (%)

15
10
8
8
9
7
2
11
10
0
6
0
0
1
0
6
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)

22
22
22
21
20
19
18
19
19
19
19
18
18
17
16
16
15
14
13
12
11
10
10
8

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

64
64
64
65
66
66
66
66
66
66
66
66
66
66
66
67
69
70
70
70
70
67
67
69

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

312
313
314
310
302
297
295
293
291
286
281
279
277
277
277
277
278
278
277
275
272
269
267
266

Thursday 23

Waxing Crescent 4%

No Rise

16:14

15 OK
16 OK
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
14 Bad

Sun - Rise: 08:58, Set: 17:41, Transit: 13:18. Moon - Rise: No Rise, Set: 16:14. Civil Dark: 18:33 - 08:05. Nautical Dark: 19:30 - 07:08. Astro Dark: 20:27 - 06:11

Total Clouds (% Sky Obscured)

34
37
50
58
52
98
99
93
95
100
100
100
100
100
100
98
96
98
81
80
84
78
80
78

Low Clouds (% Sky Obscured)

34
37
50
58
52
72
65
68
89
100
88
100
100
95
92
90
88
79
79
75
83
77
73
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
65
52
53
45
35
97
100
100
100
70
73
70
75
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
1
19
15
15
10
98
100
16
5
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
4
3
1
1
0
1
1
2
4
3
3
2

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
13
11
33
27
58
84
95
95
95
91
65
49
51
45
23
10
19
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.5
1.3
1.8
1
0.7
0.2
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
66
66
65
63
61
60
60
62
64
65
70
79
91
94
96
93
88
89
94
93
93
93

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015

Ozone (du)

266
268
271
271
267
264
266
269
270
272
277
280
278
276
274
279
280
281
281
280
278
276
277
276

Friday 24

Waxing Crescent 9%

No Rise

No Set

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
14 Bad

Sun - Rise: 09:01, Set: 17:37, Transit: 13:17. Moon - Rise: No Rise, Set: No Set. Civil Dark: 18:30 - 08:08. Nautical Dark: 19:27 - 07:11. Astro Dark: 20:24 - 06:14

Total Clouds (% Sky Obscured)

76
76
76
59
83
79
75
89
79
69
80
91
92
91
90
93
95
100
98
96
95
97
99
100

Low Clouds (% Sky Obscured)

68
68
69
59
69
64
61
70
65
60
63
67
66
62
61
57
54
51
46
22
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
0
14
24
32
28
24
21
21
21
23
35
51
58
71
80
92
87
85
81
85
95
89

High Clouds (% Sky Obscured)

0
0
0
28
50
57
32
11
0
12
23
34
36
23
25
46
52
100
77
53
30
46
56
57

ISS Passover

Visibility (miles)

3
3
3
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 (%)

18
14
4
5
6
9
4
3
0
0
1
0
0
6
0
0
1
1
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
12
14
16
17
17
17
17
17
16
15
14
13
12
11
11
10
9
9
9
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
79
76
77
77
79
77
73
72
73
74
76
76
76
74
74
74
73
73
73
74
70
70

Pressure (mb)

1015
1016
1017
1017
1018
1019
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019

Ozone (du)

276
278
280
281
280
277
274
272
270
268
267
267
268
266
266
265
267
266
265
264
264
263
262
261

Saturday 25

Waxing Crescent 15%

No Rise

No Set

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
14 Bad

Sun - Rise: 09:04, Set: 17:34, Transit: 13:17. Moon - Rise: No Rise, Set: No Set. Civil Dark: 18:26 - 08:11. Nautical Dark: 19:24 - 07:13. Astro Dark: 20:21 - 06:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
98
97
95
92
90
54
55
59
60
58
59
74
86
95

Low Clouds (% Sky Obscured)

8
13
22
42
33
79
84
88
91
93
94
95
86
77
66
54
51
41
30
22
10
23
37
50

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
85
69
56
59
59
58
14
28
43
44
44
45
52
60
67

High Clouds (% Sky Obscured)

71
78
100
68
37
0
0
0
0
0
0
0
2
5
7
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
3
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Snow

Precipitation Probability (%)

4
7
6
19
21
21
42
51
61
64
61
58
61
69
59
77
78
79
70
62
55
48
43
41

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.2
0.2
0.3
0.2
0.2
0.3
0.3
0.2
0.4
0.5
0.5
0.4
0.3
0.3
0
0
0.2

Wind Speed/Direction (mph)

7
7
7
8
7
8
8
8
8
8
8
8
8
9
10
12
9
9
10
9
8
8
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
69
70
69
70
71
78
84
87
92
96
98
96
98
98
96
98
98
98
98
98
98
98

Pressure (mb)

1019
1018
1017
1016
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1007
1006
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

261
260
260
259
261
262
264
265
266
270
272
272
276
279
281
281
280
280
280
280
281
281
281
281

Sunday 26

Waxing Crescent 23%

No Rise

No Set

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
14 Bad

Sun - Rise: 09:08, Set: 17:30, Transit: 13:17. Moon - Rise: No Rise, Set: No Set. Civil Dark: 18:23 - 08:14. Nautical Dark: 19:21 - 07:16. Astro Dark: 20:18 - 06:19

Total Clouds (% Sky Obscured)

91
87
83
76
71
63
69
80
92
94
97
99
96
94
91
84
78
74
78
81
85
81
78
75

Low Clouds (% Sky Obscured)

42
37
25
25
25
20
38
59
83
87
93
97
92
86
81
75
68
63
67
70
72
66
61
54

Medium Clouds (% Sky Obscured)

49
31
10
9
10
13
20
26
29
29
30
26
28
27
27
24
21
25
25
22
18
19
20
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
8
18
13
10
8
3

ISS Passover

Visibility (miles)

0
0
0
0
1
2
3
2
1
0
3
6
9
9
9
8
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

Snow
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 (%)

35
30
25
25
25
28
27
25
21
24
24
21
16
13
8
9
8
7
10
9
5
8
7
3

Precipitation Amount (mm)

0.1
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
5
4
5
5
5
4
4
3
4
4
6
6
6
6
5
5
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

3
3
3
2
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
94
93
91
91
89
89
88
86
83
80
79
77
77
76
74
73
72
69
69
70

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

281
282
282
282
282
282
282
282
282
282
283
284
285
285
285
286
287
289
290
291
292
293
293
292

Monday 27

Waxing Crescent 32%

No Rise

No Set

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

Sun - Rise: 09:11, Set: 17:27, Transit: 13:17. Moon - Rise: No Rise, Set: No Set. Civil Dark: 18:20 - 08:17. Nautical Dark: 19:18 - 07:19. Astro Dark: 20:15 - 06:22

Total Clouds (% Sky Obscured)

71
69
67
74
82
90
93
96
100
97
95
92
91
90
89
92
94
97
97
96
95

Low Clouds (% Sky Obscured)

50
46
44
58
72
86
90
94
99
95
90
86
85
83
82
75
68
61
59
58
59

Medium Clouds (% Sky Obscured)

30
39
49
46
43
41
40
39
38
34
31
27
29
29
29
40
49
53
55
52
54

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
8
14
18
14
9
3
20
37
52
47
39
33

ISS Passover

Visibility (miles)

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

Fog (%)

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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
5
4
13
17
19
26
30
32
29
24
16
15
12
8
8
7
1
7
9
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
9
10
11
12
14
16
19
18
17
17
16
15
15
14
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
74
74
81
88
94
91
89
88
85
82
80
79
77
77
76
74
74
73
74

Pressure (mb)

1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009

Ozone (du)

292
292
292
292
293
294
295
296
296
296
296
296
297
295
293
291
293
294
295
297
298

Forecast for Búðir, Snæfellsbær, Republic of Iceland (64.95,-23.49)

Generated: 21/10/25 15:20:42. Forecast: 21/10/25 to 27/10/25. Timezone: UTC+0.00