Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 30%

No Rise

04:45

07 Bad
08 Bad
09 Bad
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 OK
05 Good
06 Good

Sun - Rise: N/A, Set: N/A, Transit: 13:33. Moon - Rise: No Rise, Set: 04:45. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
92
94
95
99
100
100
100
100
95
95
100
100
100
95
93
63
82
56
56
49
25
16
16

Low Clouds (% Sky Obscured)

90
90
89
90
93
94
92
90
90
85
80
70
75
75
71
69
44
61
44
43
34
20
11
11

Medium Clouds (% Sky Obscured)

86
85
89
60
50
61
58
34
2
2
2
2
2
2
2
1
1
1
0
0
8
0
16
16

High Clouds (% Sky Obscured)

77
51
5
2
4
0
0
0
0
0
0
0
0
0
0
0
2
0
4
4
6
4
7
8

ISS Passover

Visibility (miles)

0
0
0
0
0
1
1
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
13
53
61
52
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 (%)

1
3
5
27
16
5
1
9
1
3
1
9
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
96
96
94
93
90
88
82
78
74
74
74
75
75
76
78
79
79
79
82
79

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1019
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1019
1019
1019

Ozone (du)

384
378
376
375
372
371
371
374
376
375
373
369
366
365
365
365
365
367
369
369
368
367
369
371

Friday 22

Waxing Crescent 42%

09:12

04:01

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

Sun - Rise: N/A, Set: N/A, Transit: 13:33. Moon - Rise: 09:12, Set: 04:01. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
46
19
7
6
8
5
9
26
81
90
90
74
44
54
69
75
94
94
97
98
98
99
94

Low Clouds (% Sky Obscured)

10
2
0
0
0
3
4
3
4
4
4
4
4
4
4
56
52
75
80
88
93
93
92
72

Medium Clouds (% Sky Obscured)

2
1
2
3
4
5
0
0
0
4
11
6
3
37
38
48
73
65
60
45
75
59
88
68

High Clouds (% Sky Obscured)

16
30
12
4
4
0
1
2
15
63
74
74
59
33
31
4
4
5
0
0
0
0
1
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
3
0
0
0
1
13
14
16
12
11
17
14
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
71
68
63
60
54
48
42
38
36
36
36
36
38
39
49
57
65
70
71
72
75
75
75

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

374
374
373
372
374
375
376
375
376
378
378
380
378
378
374
373
372
372
367
367
369
370
372
373

Saturday 23

First Quarter 53%

11:39

03:34

07 Bad
08 Bad
09 Bad
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

Sun - Rise: N/A, Set: N/A, Transit: 13:33. Moon - Rise: 11:39, Set: 03:34. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
99
96
92
96
89
87
94
90
96
100
98
98
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

81
81
79
81
32
39
28
46
46
38
20
32
47
47
50
52
64
63
55
58
80
85
90
91

Medium Clouds (% Sky Obscured)

85
81
82
56
62
57
78
53
57
82
79
84
73
83
80
72
82
91
67
67
66
61
63
58

High Clouds (% Sky Obscured)

4
32
100
90
79
89
90
89
87
89
90
85
100
89
95
100
100
100
100
100
94
88
82
48

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 (%)

3
12
25
20
14
5
1
1
1
1
3
4
4
9
10
18
32
33
31
29
26
25
30
31

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
1
1
2
2
3
4
5
6
6
4
4
4
4
4
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
70
66
63
58
53
50
49
49
54
60
67
71
72
74
77
81
81
83
85
83
83
86

Pressure (mb)

1014
1014
1013
1013
1013
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1009
1009
1009

Ozone (du)

371
369
369
368
367
368
368
367
368
368
369
369
368
368
369
370
369
369
371
372
373
374
373
368

Sunday 24

Waxing Gibbous 63%

13:41

03:11

07 Bad
08 Bad
09 Bad
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

Sun - Rise: N/A, Set: N/A, Transit: 13:33. Moon - Rise: 13:41, Set: 03:11. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
99
99
100
100

Low Clouds (% Sky Obscured)

91
90
92
94
96
94
92
91
91
92
94
94
93
92
93
92
92
92
91
92
90
89
90
93

Medium Clouds (% Sky Obscured)

64
82
79
72
65
66
57
55
78
86
89
82
94
100
100
100
100
99
98
97
97
98
99
97

High Clouds (% Sky Obscured)

67
99
99
96
100
100
100
90
33
57
95
95
95
95
96
96
97
96
96
95
96
97
98
97

ISS Passover

Visibility (miles)

9
9
2
2
1
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

33
27
45
61
61
64
67
57
45
37
25
40
46
47
52
56
52
53
50
54
67
60
45
49

Precipitation Amount (mm)

0
0
0
0.3
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0.2
0
0
0
0
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
91
91
91
93
90
85
79
78
75
76
76
78
81
85
88
89
91
91
91
94
94
94

Pressure (mb)

1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011

Ozone (du)

367
366
364
363
364
367
370
372
373
373
373
372
371
371
373
373
373
375
374
373
375
376
376
375

Monday 25

Waxing Gibbous 73%

15:34

02:50

07 Bad
08 Bad
09 Bad
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 OK
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: N/A, Set: N/A, Transit: 13:33. Moon - Rise: 15:34, Set: 02:50. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
99
99
98
98
99
100
76
53
32
28
24
24
20
17
18
24

Low Clouds (% Sky Obscured)

96
96
96
96
98
97
95
88
57
18
60
87
81
46
31
22
15
12
16
16
15
17
17
13

Medium Clouds (% Sky Obscured)

94
92
91
89
87
86
86
83
75
66
58
70
81
92
48
30
13
9
5
1
1
1
1
7

High Clouds (% Sky Obscured)

96
90
80
85
85
85
85
85
85
85
87
30
2
0
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
1
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
25
33
39
43
51
37
23
23
20
13
15
13
10
22
22
15
29
19
11
21
18
13
22

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
94
96
90
83
76
67
63
58
56
53
52
52
53
58
64
72
76
81
88
86
83
82

Pressure (mb)

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

Ozone (du)

374
372
374
375
373
374
373
372
372
371
371
370
369
367
367
368
368
369
369
369
369
369
370
371

Tuesday 26

Waxing Gibbous 82%

17:25

02:27

07 OK
08 OK
09 Bad
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

Sun - Rise: N/A, Set: N/A, Transit: 13:34. Moon - Rise: 17:25, Set: 02:27. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
43
55
67
80
86
92
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

9
10
26
43
60
71
81
87
84
89
90
93
92
92
95
97
100
100
99
99
99
98
97
94

Medium Clouds (% Sky Obscured)

14
20
22
24
26
22
18
14
33
53
75
74
90
95
97
98
99
92
84
73
51
30
7
6

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

20
8
18
18
16
22
25
28
32
33
31
39
44
43
43
54
67
59
53
49
39
29
18
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
69
64
60
54
50
47
44
42
42
42
42
50
59
69
77
86
94
91
89
86
79
72
67

Pressure (mb)

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

Ozone (du)

371
371
372
371
370
369
368
367
367
367
368
368
369
370
371
370
370
370
372
374
376
378
379
381

Wednesday 27

Waxing Gibbous 89%

19:23

01:58

07 Bad
08 Bad
09 Bad
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

Sun - Rise: N/A, Set: N/A, Transit: 13:34. Moon - Rise: 19:23, Set: 01:58. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
95
96
96
97
98
99
100
100
100
100
100
100
100
99
99
100
99
99
98

Low Clouds (% Sky Obscured)

91
90
89
89
88
88
89
90
86
82
77
78
79
81
85
89
93
92
89
87

Medium Clouds (% Sky Obscured)

5
4
27
50
73
76
79
82
85
79
75
72
71
76
80
83
88
76
66
55

High Clouds (% Sky Obscured)

1
2
3
4
5
5
5
5
4
4
4
15
28
41
36
32
30
23
16
8

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

17
17
23
29
33
37
37
36
41
43
43
55
56
51
57
62
60
52
53
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
66
63
61
59
59
57
56
57
57
58
67
76
86
88
93
96
98
98

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

380
379
378
378
377
376
375
374
373
374
375
376
377
379
380
380
380
379
378
376

Forecast for Kilpisjärvi, Tunturi-Lappi, Finland (69.07,20.76)

Generated: 21/05/26 07:42:00. Forecast: 21/05/26 to 27/05/26. Timezone: UTC+3.00